Home / 729,150.90-1,093,726.35-408,974.10

Finding the Fourth Proportional to 729,150.90, 1,093,726.35 and 408,974.10

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Solution

The fourth proportional to 729,150.90, 1,093,726.35 and 408,974.10 is: 613,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,150.90 : 1,093,726.35 = 408,974.10 : x
  2. Step 2: Convert to fraction form
    729,150.90/1,093,726.35 = 408,974.10/x
  3. Step 3: Cross multiply
    729,150.90x = 1,093,726.35 × 408,974.10
  4. Step 4: Simplify right side
    729,150.90x = 447,305,749,637.54
  5. Step 5: Solve for x
    x = 447,305,749,637.54/729,150.90
  6. Step 6: Final answer
    x = 613,461.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.