Home / 868,166.68-1,302,694.60-413,272.72

Finding the Fourth Proportional to 868,166.68, 1,302,694.60 and 413,272.72

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Solution

The fourth proportional to 868,166.68, 1,302,694.60 and 413,272.72 is: 620,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,166.68 : 1,302,694.60 = 413,272.72 : x
  2. Step 2: Convert to fraction form
    868,166.68/1,302,694.60 = 413,272.72/x
  3. Step 3: Cross multiply
    868,166.68x = 1,302,694.60 × 413,272.72
  4. Step 4: Simplify right side
    868,166.68x = 538,368,140,671.31
  5. Step 5: Solve for x
    x = 538,368,140,671.31/868,166.68
  6. Step 6: Final answer
    x = 620,120.71

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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.