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Finding the Fourth Proportional to 459,470.32, 688,606.48 and 234,641.24

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Solution

The fourth proportional to 459,470.32, 688,606.48 and 234,641.24 is: 351,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,470.32 : 688,606.48 = 234,641.24 : x
  2. Step 2: Convert to fraction form
    459,470.32/688,606.48 = 234,641.24/x
  3. Step 3: Cross multiply
    459,470.32x = 688,606.48 × 234,641.24
  4. Step 4: Simplify right side
    459,470.32x = 161,575,478,339.24
  5. Step 5: Solve for x
    x = 161,575,478,339.24/459,470.32
  6. Step 6: Final answer
    x = 351,655.96

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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.