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Finding the Fourth Proportional to 868,167.68, 1,302,696.10 and 413,273.72

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Solution

The fourth proportional to 868,167.68, 1,302,696.10 and 413,273.72 is: 620,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,167.68 : 1,302,696.10 = 413,273.72 : x
  2. Step 2: Convert to fraction form
    868,167.68/1,302,696.10 = 413,273.72/x
  3. Step 3: Cross multiply
    868,167.68x = 1,302,696.10 × 413,273.72
  4. Step 4: Simplify right side
    868,167.68x = 538,370,063,276.49
  5. Step 5: Solve for x
    x = 538,370,063,276.49/868,167.68
  6. Step 6: Final answer
    x = 620,122.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.