Home / 724,694.96-1,000,171.32-438,217.08

Finding the Fourth Proportional to 724,694.96, 1,000,171.32 and 438,217.08

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Solution

The fourth proportional to 724,694.96, 1,000,171.32 and 438,217.08 is: 604,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,694.96 : 1,000,171.32 = 438,217.08 : x
  2. Step 2: Convert to fraction form
    724,694.96/1,000,171.32 = 438,217.08/x
  3. Step 3: Cross multiply
    724,694.96x = 1,000,171.32 × 438,217.08
  4. Step 4: Simplify right side
    724,694.96x = 438,292,155,350.15
  5. Step 5: Solve for x
    x = 438,292,155,350.15/724,694.96
  6. Step 6: Final answer
    x = 604,795.37

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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.