Home / 681,011.24-939,781.79-426,502.76

Finding the Fourth Proportional to 681,011.24, 939,781.79 and 426,502.76

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Solution

The fourth proportional to 681,011.24, 939,781.79 and 426,502.76 is: 588,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,011.24 : 939,781.79 = 426,502.76 : x
  2. Step 2: Convert to fraction form
    681,011.24/939,781.79 = 426,502.76/x
  3. Step 3: Cross multiply
    681,011.24x = 939,781.79 × 426,502.76
  4. Step 4: Simplify right side
    681,011.24x = 400,819,520,401.32
  5. Step 5: Solve for x
    x = 400,819,520,401.32/681,011.24
  6. Step 6: Final answer
    x = 588,565.21

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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.