Home / 726,901.92-1,090,290.41-442,518.66

Finding the Fourth Proportional to 726,901.92, 1,090,290.41 and 442,518.66

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Solution

The fourth proportional to 726,901.92, 1,090,290.41 and 442,518.66 is: 663,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,901.92 : 1,090,290.41 = 442,518.66 : x
  2. Step 2: Convert to fraction form
    726,901.92/1,090,290.41 = 442,518.66/x
  3. Step 3: Cross multiply
    726,901.92x = 1,090,290.41 × 442,518.66
  4. Step 4: Simplify right side
    726,901.92x = 482,473,846,898.90
  5. Step 5: Solve for x
    x = 482,473,846,898.90/726,901.92
  6. Step 6: Final answer
    x = 663,739.96

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Double scale
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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.