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Finding the Fourth Proportional to 611,613.87, 844,046.82 and 339,685.02

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Solution

The fourth proportional to 611,613.87, 844,046.82 and 339,685.02 is: 468,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,613.87 : 844,046.82 = 339,685.02 : x
  2. Step 2: Convert to fraction form
    611,613.87/844,046.82 = 339,685.02/x
  3. Step 3: Cross multiply
    611,613.87x = 844,046.82 × 339,685.02
  4. Step 4: Simplify right side
    611,613.87x = 286,710,060,932.64
  5. Step 5: Solve for x
    x = 286,710,060,932.64/611,613.87
  6. Step 6: Final answer
    x = 468,776.26

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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.