Home / 756,048.70-1,132,760.85-489,672.10

Finding the Fourth Proportional to 756,048.70, 1,132,760.85 and 489,672.10

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Solution

The fourth proportional to 756,048.70, 1,132,760.85 and 489,672.10 is: 733,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,048.70 : 1,132,760.85 = 489,672.10 : x
  2. Step 2: Convert to fraction form
    756,048.70/1,132,760.85 = 489,672.10/x
  3. Step 3: Cross multiply
    756,048.70x = 1,132,760.85 × 489,672.10
  4. Step 4: Simplify right side
    756,048.70x = 554,681,384,217.29
  5. Step 5: Solve for x
    x = 554,681,384,217.29/756,048.70
  6. Step 6: Final answer
    x = 733,658.27

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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.