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Finding the Fourth Proportional to 904,137, 1,247,747.94 and 501,729

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Solution

The fourth proportional to 904,137, 1,247,747.94 and 501,729 is: 692,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,137 : 1,247,747.94 = 501,729 : x
  2. Step 2: Convert to fraction form
    904,137/1,247,747.94 = 501,729/x
  3. Step 3: Cross multiply
    904,137x = 1,247,747.94 × 501,729
  4. Step 4: Simplify right side
    904,137x = 626,031,326,188.26
  5. Step 5: Solve for x
    x = 626,031,326,188.26/904,137
  6. Step 6: Final answer
    x = 692,407.60

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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.