Home / 782,044.94-1,079,238.66-442,513.19

Finding the Fourth Proportional to 782,044.94, 1,079,238.66 and 442,513.19

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Solution

The fourth proportional to 782,044.94, 1,079,238.66 and 442,513.19 is: 610,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,044.94 : 1,079,238.66 = 442,513.19 : x
  2. Step 2: Convert to fraction form
    782,044.94/1,079,238.66 = 442,513.19/x
  3. Step 3: Cross multiply
    782,044.94x = 1,079,238.66 × 442,513.19
  4. Step 4: Simplify right side
    782,044.94x = 477,577,342,207.93
  5. Step 5: Solve for x
    x = 477,577,342,207.93/782,044.94
  6. Step 6: Final answer
    x = 610,677.62

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Double scale
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1.5x scale

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.