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Finding the Fourth Proportional to 482,507.38, 665,847.34 and 278,551.41

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Solution

The fourth proportional to 482,507.38, 665,847.34 and 278,551.41 is: 384,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,507.38 : 665,847.34 = 278,551.41 : x
  2. Step 2: Convert to fraction form
    482,507.38/665,847.34 = 278,551.41/x
  3. Step 3: Cross multiply
    482,507.38x = 665,847.34 × 278,551.41
  4. Step 4: Simplify right side
    482,507.38x = 185,472,712,208.44
  5. Step 5: Solve for x
    x = 185,472,712,208.44/482,507.38
  6. Step 6: Final answer
    x = 384,393.52

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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.