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Finding the Fourth Proportional to 628,322.40, 942,483.60 and 362,601.90

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Solution

The fourth proportional to 628,322.40, 942,483.60 and 362,601.90 is: 543,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,322.40 : 942,483.60 = 362,601.90 : x
  2. Step 2: Convert to fraction form
    628,322.40/942,483.60 = 362,601.90/x
  3. Step 3: Cross multiply
    628,322.40x = 942,483.60 × 362,601.90
  4. Step 4: Simplify right side
    628,322.40x = 341,746,344,078.84
  5. Step 5: Solve for x
    x = 341,746,344,078.84/628,322.40
  6. Step 6: Final answer
    x = 543,902.85

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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.