Home / 454,215.98-681,324.99-426,471.15

Finding the Fourth Proportional to 454,215.98, 681,324.99 and 426,471.15

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Solution

The fourth proportional to 454,215.98, 681,324.99 and 426,471.15 is: 639,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,215.98 : 681,324.99 = 426,471.15 : x
  2. Step 2: Convert to fraction form
    454,215.98/681,324.99 = 426,471.15/x
  3. Step 3: Cross multiply
    454,215.98x = 681,324.99 × 426,471.15
  4. Step 4: Simplify right side
    454,215.98x = 290,565,454,646.86
  5. Step 5: Solve for x
    x = 290,565,454,646.86/454,215.98
  6. Step 6: Final answer
    x = 639,707.69

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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.