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Finding the Fourth Proportional to 628,164.60, 942,246.90 and 376,222.20

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Solution

The fourth proportional to 628,164.60, 942,246.90 and 376,222.20 is: 564,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,164.60 : 942,246.90 = 376,222.20 : x
  2. Step 2: Convert to fraction form
    628,164.60/942,246.90 = 376,222.20/x
  3. Step 3: Cross multiply
    628,164.60x = 942,246.90 × 376,222.20
  4. Step 4: Simplify right side
    628,164.60x = 354,494,201,661.18
  5. Step 5: Solve for x
    x = 354,494,201,661.18/628,164.60
  6. Step 6: Final answer
    x = 564,333.30

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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.