Home / 938,046.86-1,406,229.32-338,867.18

Finding the Fourth Proportional to 938,046.86, 1,406,229.32 and 338,867.18

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Solution

The fourth proportional to 938,046.86, 1,406,229.32 and 338,867.18 is: 507,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,046.86 : 1,406,229.32 = 338,867.18 : x
  2. Step 2: Convert to fraction form
    938,046.86/1,406,229.32 = 338,867.18/x
  3. Step 3: Cross multiply
    938,046.86x = 1,406,229.32 × 338,867.18
  4. Step 4: Simplify right side
    938,046.86x = 476,524,964,101.72
  5. Step 5: Solve for x
    x = 476,524,964,101.72/938,046.86
  6. Step 6: Final answer
    x = 507,996.97

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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.