Home / 657,005.47-985,502.38-207,726.65

Finding the Fourth Proportional to 657,005.47, 985,502.38 and 207,726.65

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Solution

The fourth proportional to 657,005.47, 985,502.38 and 207,726.65 is: 311,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,005.47 : 985,502.38 = 207,726.65 : x
  2. Step 2: Convert to fraction form
    657,005.47/985,502.38 = 207,726.65/x
  3. Step 3: Cross multiply
    657,005.47x = 985,502.38 × 207,726.65
  4. Step 4: Simplify right side
    657,005.47x = 204,715,107,964.43
  5. Step 5: Solve for x
    x = 204,715,107,964.43/657,005.47
  6. Step 6: Final answer
    x = 311,588.13

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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.