Home / 815,184.92-1,124,948.94-447,658.04

Finding the Fourth Proportional to 815,184.92, 1,124,948.94 and 447,658.04

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Solution

The fourth proportional to 815,184.92, 1,124,948.94 and 447,658.04 is: 617,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,184.92 : 1,124,948.94 = 447,658.04 : x
  2. Step 2: Convert to fraction form
    815,184.92/1,124,948.94 = 447,658.04/x
  3. Step 3: Cross multiply
    815,184.92x = 1,124,948.94 × 447,658.04
  4. Step 4: Simplify right side
    815,184.92x = 503,592,437,580.48
  5. Step 5: Solve for x
    x = 503,592,437,580.48/815,184.92
  6. Step 6: Final answer
    x = 617,764.66

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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.