Home / 726,212.20-1,086,726.30-460,100.20

Finding the Fourth Proportional to 726,212.20, 1,086,726.30 and 460,100.20

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Solution

The fourth proportional to 726,212.20, 1,086,726.30 and 460,100.20 is: 688,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,212.20 : 1,086,726.30 = 460,100.20 : x
  2. Step 2: Convert to fraction form
    726,212.20/1,086,726.30 = 460,100.20/x
  3. Step 3: Cross multiply
    726,212.20x = 1,086,726.30 × 460,100.20
  4. Step 4: Simplify right side
    726,212.20x = 500,002,987,975.26
  5. Step 5: Solve for x
    x = 500,002,987,975.26/726,212.20
  6. Step 6: Final answer
    x = 688,508.11

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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.