Home / 724,356.60-1,086,534.90-325,010.40

Finding the Fourth Proportional to 724,356.60, 1,086,534.90 and 325,010.40

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Solution

The fourth proportional to 724,356.60, 1,086,534.90 and 325,010.40 is: 487,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,356.60 : 1,086,534.90 = 325,010.40 : x
  2. Step 2: Convert to fraction form
    724,356.60/1,086,534.90 = 325,010.40/x
  3. Step 3: Cross multiply
    724,356.60x = 1,086,534.90 × 325,010.40
  4. Step 4: Simplify right side
    724,356.60x = 353,135,142,462.96
  5. Step 5: Solve for x
    x = 353,135,142,462.96/724,356.60
  6. Step 6: Final answer
    x = 487,515.60

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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.