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Finding the Fourth Proportional to 426,627.56, 588,560.10 and 256,765.16

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Solution

The fourth proportional to 426,627.56, 588,560.10 and 256,765.16 is: 354,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,627.56 : 588,560.10 = 256,765.16 : x
  2. Step 2: Convert to fraction form
    426,627.56/588,560.10 = 256,765.16/x
  3. Step 3: Cross multiply
    426,627.56x = 588,560.10 × 256,765.16
  4. Step 4: Simplify right side
    426,627.56x = 151,121,728,246.12
  5. Step 5: Solve for x
    x = 151,121,728,246.12/426,627.56
  6. Step 6: Final answer
    x = 354,224.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.