Home / 861,911.55-1,292,434.74-502,198.65

Finding the Fourth Proportional to 861,911.55, 1,292,434.74 and 502,198.65

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Solution

The fourth proportional to 861,911.55, 1,292,434.74 and 502,198.65 is: 753,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,911.55 : 1,292,434.74 = 502,198.65 : x
  2. Step 2: Convert to fraction form
    861,911.55/1,292,434.74 = 502,198.65/x
  3. Step 3: Cross multiply
    861,911.55x = 1,292,434.74 × 502,198.65
  4. Step 4: Simplify right side
    861,911.55x = 649,058,981,641.10
  5. Step 5: Solve for x
    x = 649,058,981,641.10/861,911.55
  6. Step 6: Final answer
    x = 753,045.93

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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.