Home / 871,207.83-1,306,308.87-338,105.79

Finding the Fourth Proportional to 871,207.83, 1,306,308.87 and 338,105.79

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Solution

The fourth proportional to 871,207.83, 1,306,308.87 and 338,105.79 is: 506,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,207.83 : 1,306,308.87 = 338,105.79 : x
  2. Step 2: Convert to fraction form
    871,207.83/1,306,308.87 = 338,105.79/x
  3. Step 3: Cross multiply
    871,207.83x = 1,306,308.87 × 338,105.79
  4. Step 4: Simplify right side
    871,207.83x = 441,670,592,475.36
  5. Step 5: Solve for x
    x = 441,670,592,475.36/871,207.83
  6. Step 6: Final answer
    x = 506,963.52

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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.