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Finding the Fourth Proportional to 564,475.56, 779,241.31 and 378,523.53

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Solution

The fourth proportional to 564,475.56, 779,241.31 and 378,523.53 is: 522,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,475.56 : 779,241.31 = 378,523.53 : x
  2. Step 2: Convert to fraction form
    564,475.56/779,241.31 = 378,523.53/x
  3. Step 3: Cross multiply
    564,475.56x = 779,241.31 × 378,523.53
  4. Step 4: Simplify right side
    564,475.56x = 294,961,172,565.91
  5. Step 5: Solve for x
    x = 294,961,172,565.91/564,475.56
  6. Step 6: Final answer
    x = 522,540.20

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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.