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Finding the Fourth Proportional to 755,604, 1,042,733.52 and 416,071.44

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Solution

The fourth proportional to 755,604, 1,042,733.52 and 416,071.44 is: 574,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,604 : 1,042,733.52 = 416,071.44 : x
  2. Step 2: Convert to fraction form
    755,604/1,042,733.52 = 416,071.44/x
  3. Step 3: Cross multiply
    755,604x = 1,042,733.52 × 416,071.44
  4. Step 4: Simplify right side
    755,604x = 433,851,637,202.67
  5. Step 5: Solve for x
    x = 433,851,637,202.67/755,604
  6. Step 6: Final answer
    x = 574,178.59

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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.