Home / 564,278.64-845,919.72-431,750.52

Finding the Fourth Proportional to 564,278.64, 845,919.72 and 431,750.52

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Solution

The fourth proportional to 564,278.64, 845,919.72 and 431,750.52 is: 647,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,278.64 : 845,919.72 = 431,750.52 : x
  2. Step 2: Convert to fraction form
    564,278.64/845,919.72 = 431,750.52/x
  3. Step 3: Cross multiply
    564,278.64x = 845,919.72 × 431,750.52
  4. Step 4: Simplify right side
    564,278.64x = 365,226,278,988.25
  5. Step 5: Solve for x
    x = 365,226,278,988.25/564,278.64
  6. Step 6: Final answer
    x = 647,244.56

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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.