Home / 731,911.68-1,097,956.08-258,500.16

Finding the Fourth Proportional to 731,911.68, 1,097,956.08 and 258,500.16

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Solution

The fourth proportional to 731,911.68, 1,097,956.08 and 258,500.16 is: 387,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,911.68 : 1,097,956.08 = 258,500.16 : x
  2. Step 2: Convert to fraction form
    731,911.68/1,097,956.08 = 258,500.16/x
  3. Step 3: Cross multiply
    731,911.68x = 1,097,956.08 × 258,500.16
  4. Step 4: Simplify right side
    731,911.68x = 283,821,822,352.97
  5. Step 5: Solve for x
    x = 283,821,822,352.97/731,911.68
  6. Step 6: Final answer
    x = 387,781.52

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Double scale
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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.