Home / 477,520.20-658,964.12-262,660.28

Finding the Fourth Proportional to 477,520.20, 658,964.12 and 262,660.28

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Solution

The fourth proportional to 477,520.20, 658,964.12 and 262,660.28 is: 362,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,520.20 : 658,964.12 = 262,660.28 : x
  2. Step 2: Convert to fraction form
    477,520.20/658,964.12 = 262,660.28/x
  3. Step 3: Cross multiply
    477,520.20x = 658,964.12 × 262,660.28
  4. Step 4: Simplify right side
    477,520.20x = 173,083,700,269.15
  5. Step 5: Solve for x
    x = 173,083,700,269.15/477,520.20
  6. Step 6: Final answer
    x = 362,463.62

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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.