Home / 931,345.38-1,396,979.15-266,497.38

Finding the Fourth Proportional to 931,345.38, 1,396,979.15 and 266,497.38

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Solution

The fourth proportional to 931,345.38, 1,396,979.15 and 266,497.38 is: 399,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,345.38 : 1,396,979.15 = 266,497.38 : x
  2. Step 2: Convert to fraction form
    931,345.38/1,396,979.15 = 266,497.38/x
  3. Step 3: Cross multiply
    931,345.38x = 1,396,979.15 × 266,497.38
  4. Step 4: Simplify right side
    931,345.38x = 372,291,282,057.14
  5. Step 5: Solve for x
    x = 372,291,282,057.14/931,345.38
  6. Step 6: Final answer
    x = 399,734.93

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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.