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Finding the Fourth Proportional to 626,377.28, 864,402.93 and 339,897.35

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Solution

The fourth proportional to 626,377.28, 864,402.93 and 339,897.35 is: 469,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,377.28 : 864,402.93 = 339,897.35 : x
  2. Step 2: Convert to fraction form
    626,377.28/864,402.93 = 339,897.35/x
  3. Step 3: Cross multiply
    626,377.28x = 864,402.93 × 339,897.35
  4. Step 4: Simplify right side
    626,377.28x = 293,808,265,239.24
  5. Step 5: Solve for x
    x = 293,808,265,239.24/626,377.28
  6. Step 6: Final answer
    x = 469,059.59

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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.