Home / 755,254.22-1,042,250.27-415,722.47

Finding the Fourth Proportional to 755,254.22, 1,042,250.27 and 415,722.47

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Solution

The fourth proportional to 755,254.22, 1,042,250.27 and 415,722.47 is: 573,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,254.22 : 1,042,250.27 = 415,722.47 : x
  2. Step 2: Convert to fraction form
    755,254.22/1,042,250.27 = 415,722.47/x
  3. Step 3: Cross multiply
    755,254.22x = 1,042,250.27 × 415,722.47
  4. Step 4: Simplify right side
    755,254.22x = 433,286,849,312.70
  5. Step 5: Solve for x
    x = 433,286,849,312.70/755,254.22
  6. Step 6: Final answer
    x = 573,696.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.