Home / 814,793.88-1,124,427.78-447,301.20

Finding the Fourth Proportional to 814,793.88, 1,124,427.78 and 447,301.20

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Solution

The fourth proportional to 814,793.88, 1,124,427.78 and 447,301.20 is: 617,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,793.88 : 1,124,427.78 = 447,301.20 : x
  2. Step 2: Convert to fraction form
    814,793.88/1,124,427.78 = 447,301.20/x
  3. Step 3: Cross multiply
    814,793.88x = 1,124,427.78 × 447,301.20
  4. Step 4: Simplify right side
    814,793.88x = 502,957,895,307.34
  5. Step 5: Solve for x
    x = 502,957,895,307.34/814,793.88
  6. Step 6: Final answer
    x = 617,282.37

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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.