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Finding the Fourth Proportional to 628,314.40, 942,471.60 and 628,314.40

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Solution

The fourth proportional to 628,314.40, 942,471.60 and 628,314.40 is: 942,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,314.40 : 942,471.60 = 628,314.40 : x
  2. Step 2: Convert to fraction form
    628,314.40/942,471.60 = 628,314.40/x
  3. Step 3: Cross multiply
    628,314.40x = 942,471.60 × 628,314.40
  4. Step 4: Simplify right side
    628,314.40x = 592,168,477,871.04
  5. Step 5: Solve for x
    x = 592,168,477,871.04/628,314.40
  6. Step 6: Final answer
    x = 942,471.60

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.