Home / 486,566.60-729,849.90-459,010.40

Finding the Fourth Proportional to 486,566.60, 729,849.90 and 459,010.40

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Solution

The fourth proportional to 486,566.60, 729,849.90 and 459,010.40 is: 688,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,566.60 : 729,849.90 = 459,010.40 : x
  2. Step 2: Convert to fraction form
    486,566.60/729,849.90 = 459,010.40/x
  3. Step 3: Cross multiply
    486,566.60x = 729,849.90 × 459,010.40
  4. Step 4: Simplify right side
    486,566.60x = 335,008,694,538.96
  5. Step 5: Solve for x
    x = 335,008,694,538.96/486,566.60
  6. Step 6: Final answer
    x = 688,515.60

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Similar ratio
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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.