Home / 785,704.05-1,084,242.92-480,291.93

Finding the Fourth Proportional to 785,704.05, 1,084,242.92 and 480,291.93

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Solution

The fourth proportional to 785,704.05, 1,084,242.92 and 480,291.93 is: 662,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,704.05 : 1,084,242.92 = 480,291.93 : x
  2. Step 2: Convert to fraction form
    785,704.05/1,084,242.92 = 480,291.93/x
  3. Step 3: Cross multiply
    785,704.05x = 1,084,242.92 × 480,291.93
  4. Step 4: Simplify right side
    785,704.05x = 520,753,122,234.18
  5. Step 5: Solve for x
    x = 520,753,122,234.18/785,704.05
  6. Step 6: Final answer
    x = 662,785.34

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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.