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Finding the Fourth Proportional to 626,377.24, 864,402.98 and 339,897.32

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Solution

The fourth proportional to 626,377.24, 864,402.98 and 339,897.32 is: 469,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,377.24 : 864,402.98 = 339,897.32 : x
  2. Step 2: Convert to fraction form
    626,377.24/864,402.98 = 339,897.32/x
  3. Step 3: Cross multiply
    626,377.24x = 864,402.98 × 339,897.32
  4. Step 4: Simplify right side
    626,377.24x = 293,808,256,302.01
  5. Step 5: Solve for x
    x = 293,808,256,302.01/626,377.24
  6. Step 6: Final answer
    x = 469,059.60

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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.