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Finding the Fourth Proportional to 850,359, 1,173,410.28 and 523,619.64

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Solution

The fourth proportional to 850,359, 1,173,410.28 and 523,619.64 is: 722,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,359 : 1,173,410.28 = 523,619.64 : x
  2. Step 2: Convert to fraction form
    850,359/1,173,410.28 = 523,619.64/x
  3. Step 3: Cross multiply
    850,359x = 1,173,410.28 × 523,619.64
  4. Step 4: Simplify right side
    850,359x = 614,420,668,385.90
  5. Step 5: Solve for x
    x = 614,420,668,385.90/850,359
  6. Step 6: Final answer
    x = 722,542.68

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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.