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Finding the Fourth Proportional to 616,290.75, 850,520.79 and 344,359.44

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Solution

The fourth proportional to 616,290.75, 850,520.79 and 344,359.44 is: 475,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,290.75 : 850,520.79 = 344,359.44 : x
  2. Step 2: Convert to fraction form
    616,290.75/850,520.79 = 344,359.44/x
  3. Step 3: Cross multiply
    616,290.75x = 850,520.79 × 344,359.44
  4. Step 4: Simplify right side
    616,290.75x = 292,884,862,952.76
  5. Step 5: Solve for x
    x = 292,884,862,952.76/616,290.75
  6. Step 6: Final answer
    x = 475,238.13

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1.5x scale

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.