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Finding the Fourth Proportional to 626,437.13, 864,483.84 and 339,957.27

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Solution

The fourth proportional to 626,437.13, 864,483.84 and 339,957.27 is: 469,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,437.13 : 864,483.84 = 339,957.27 : x
  2. Step 2: Convert to fraction form
    626,437.13/864,483.84 = 339,957.27/x
  3. Step 3: Cross multiply
    626,437.13x = 864,483.84 × 339,957.27
  4. Step 4: Simplify right side
    626,437.13x = 293,887,566,205.52
  5. Step 5: Solve for x
    x = 293,887,566,205.52/626,437.13
  6. Step 6: Final answer
    x = 469,141.36

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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.