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Finding the Fourth Proportional to 626,524.47, 864,594 and 340,042.05

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Solution

The fourth proportional to 626,524.47, 864,594 and 340,042.05 is: 469,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,524.47 : 864,594 = 340,042.05 : x
  2. Step 2: Convert to fraction form
    626,524.47/864,594 = 340,042.05/x
  3. Step 3: Cross multiply
    626,524.47x = 864,594 × 340,042.05
  4. Step 4: Simplify right side
    626,524.47x = 293,998,316,177.70
  5. Step 5: Solve for x
    x = 293,998,316,177.70/626,524.47
  6. Step 6: Final answer
    x = 469,252.73

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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.