Home / 731,316.08-1,096,839.60-331,860.80

Finding the Fourth Proportional to 731,316.08, 1,096,839.60 and 331,860.80

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Solution

The fourth proportional to 731,316.08, 1,096,839.60 and 331,860.80 is: 497,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,316.08 : 1,096,839.60 = 331,860.80 : x
  2. Step 2: Convert to fraction form
    731,316.08/1,096,839.60 = 331,860.80/x
  3. Step 3: Cross multiply
    731,316.08x = 1,096,839.60 × 331,860.80
  4. Step 4: Simplify right side
    731,316.08x = 363,998,067,127.68
  5. Step 5: Solve for x
    x = 363,998,067,127.68/731,316.08
  6. Step 6: Final answer
    x = 497,730.16

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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.