Home / 756,660.72-1,044,139.44-425,566.20

Finding the Fourth Proportional to 756,660.72, 1,044,139.44 and 425,566.20

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Solution

The fourth proportional to 756,660.72, 1,044,139.44 and 425,566.20 is: 587,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,660.72 : 1,044,139.44 = 425,566.20 : x
  2. Step 2: Convert to fraction form
    756,660.72/1,044,139.44 = 425,566.20/x
  3. Step 3: Cross multiply
    756,660.72x = 1,044,139.44 × 425,566.20
  4. Step 4: Simplify right side
    756,660.72x = 444,350,453,750.93
  5. Step 5: Solve for x
    x = 444,350,453,750.93/756,660.72
  6. Step 6: Final answer
    x = 587,251.91

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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.