Home / 723,785.76-1,086,203.52-408,857.76

Finding the Fourth Proportional to 723,785.76, 1,086,203.52 and 408,857.76

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Solution

The fourth proportional to 723,785.76, 1,086,203.52 and 408,857.76 is: 613,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,785.76 : 1,086,203.52 = 408,857.76 : x
  2. Step 2: Convert to fraction form
    723,785.76/1,086,203.52 = 408,857.76/x
  3. Step 3: Cross multiply
    723,785.76x = 1,086,203.52 × 408,857.76
  4. Step 4: Simplify right side
    723,785.76x = 444,102,738,091.32
  5. Step 5: Solve for x
    x = 444,102,738,091.32/723,785.76
  6. Step 6: Final answer
    x = 613,583.14

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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.