Home / 769,908.04-1,062,379.90-425,720.41

Finding the Fourth Proportional to 769,908.04, 1,062,379.90 and 425,720.41

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Solution

The fourth proportional to 769,908.04, 1,062,379.90 and 425,720.41 is: 587,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,908.04 : 1,062,379.90 = 425,720.41 : x
  2. Step 2: Convert to fraction form
    769,908.04/1,062,379.90 = 425,720.41/x
  3. Step 3: Cross multiply
    769,908.04x = 1,062,379.90 × 425,720.41
  4. Step 4: Simplify right side
    769,908.04x = 452,276,804,479.96
  5. Step 5: Solve for x
    x = 452,276,804,479.96/769,908.04
  6. Step 6: Final answer
    x = 587,442.63

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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.