Home / 861,911.41-1,292,434.57-502,198.51

Finding the Fourth Proportional to 861,911.41, 1,292,434.57 and 502,198.51

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Solution

The fourth proportional to 861,911.41, 1,292,434.57 and 502,198.51 is: 753,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,911.41 : 1,292,434.57 = 502,198.51 : x
  2. Step 2: Convert to fraction form
    861,911.41/1,292,434.57 = 502,198.51/x
  3. Step 3: Cross multiply
    861,911.41x = 1,292,434.57 × 502,198.51
  4. Step 4: Simplify right side
    861,911.41x = 649,058,715,326.49
  5. Step 5: Solve for x
    x = 649,058,715,326.49/861,911.41
  6. Step 6: Final answer
    x = 753,045.74

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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.