Home / 905,040.88-1,248,922.20-502,658.80

Finding the Fourth Proportional to 905,040.88, 1,248,922.20 and 502,658.80

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Solution

The fourth proportional to 905,040.88, 1,248,922.20 and 502,658.80 is: 693,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,040.88 : 1,248,922.20 = 502,658.80 : x
  2. Step 2: Convert to fraction form
    905,040.88/1,248,922.20 = 502,658.80/x
  3. Step 3: Cross multiply
    905,040.88x = 1,248,922.20 × 502,658.80
  4. Step 4: Simplify right side
    905,040.88x = 627,781,734,345.36
  5. Step 5: Solve for x
    x = 627,781,734,345.36/905,040.88
  6. Step 6: Final answer
    x = 693,650.14

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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.