Home / 474,557.40-654,787.94-281,025.90

Finding the Fourth Proportional to 474,557.40, 654,787.94 and 281,025.90

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Solution

The fourth proportional to 474,557.40, 654,787.94 and 281,025.90 is: 387,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,557.40 : 654,787.94 = 281,025.90 : x
  2. Step 2: Convert to fraction form
    474,557.40/654,787.94 = 281,025.90/x
  3. Step 3: Cross multiply
    474,557.40x = 654,787.94 × 281,025.90
  4. Step 4: Simplify right side
    474,557.40x = 184,012,368,742.52
  5. Step 5: Solve for x
    x = 184,012,368,742.52/474,557.40
  6. Step 6: Final answer
    x = 387,755.77

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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.