Home / 477,123.10-658,422.49-262,258.55

Finding the Fourth Proportional to 477,123.10, 658,422.49 and 262,258.55

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Solution

The fourth proportional to 477,123.10, 658,422.49 and 262,258.55 is: 361,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,123.10 : 658,422.49 = 262,258.55 : x
  2. Step 2: Convert to fraction form
    477,123.10/658,422.49 = 262,258.55/x
  3. Step 3: Cross multiply
    477,123.10x = 658,422.49 × 262,258.55
  4. Step 4: Simplify right side
    477,123.10x = 172,676,926,155.14
  5. Step 5: Solve for x
    x = 172,676,926,155.14/477,123.10
  6. Step 6: Final answer
    x = 361,912.74

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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.