Home / 769,909.04-1,062,381.28-425,721.41

Finding the Fourth Proportional to 769,909.04, 1,062,381.28 and 425,721.41

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Solution

The fourth proportional to 769,909.04, 1,062,381.28 and 425,721.41 is: 587,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,909.04 : 1,062,381.28 = 425,721.41 : x
  2. Step 2: Convert to fraction form
    769,909.04/1,062,381.28 = 425,721.41/x
  3. Step 3: Cross multiply
    769,909.04x = 1,062,381.28 × 425,721.41
  4. Step 4: Simplify right side
    769,909.04x = 452,278,456,479.21
  5. Step 5: Solve for x
    x = 452,278,456,479.21/769,909.04
  6. Step 6: Final answer
    x = 587,444.01

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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.