Home / 799,555.28-1,103,384.42-455,391.14

Finding the Fourth Proportional to 799,555.28, 1,103,384.42 and 455,391.14

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Solution

The fourth proportional to 799,555.28, 1,103,384.42 and 455,391.14 is: 628,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,555.28 : 1,103,384.42 = 455,391.14 : x
  2. Step 2: Convert to fraction form
    799,555.28/1,103,384.42 = 455,391.14/x
  3. Step 3: Cross multiply
    799,555.28x = 1,103,384.42 × 455,391.14
  4. Step 4: Simplify right side
    799,555.28x = 502,471,488,882.04
  5. Step 5: Solve for x
    x = 502,471,488,882.04/799,555.28
  6. Step 6: Final answer
    x = 628,438.71

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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.