Home / 454,726.20-680,777.10-402,238.20

Finding the Fourth Proportional to 454,726.20, 680,777.10 and 402,238.20

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Solution

The fourth proportional to 454,726.20, 680,777.10 and 402,238.20 is: 602,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,726.20 : 680,777.10 = 402,238.20 : x
  2. Step 2: Convert to fraction form
    454,726.20/680,777.10 = 402,238.20/x
  3. Step 3: Cross multiply
    454,726.20x = 680,777.10 × 402,238.20
  4. Step 4: Simplify right side
    454,726.20x = 273,834,555,305.22
  5. Step 5: Solve for x
    x = 273,834,555,305.22/454,726.20
  6. Step 6: Final answer
    x = 602,196.56

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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.