Home / 769,853.57-1,062,305.20-425,643

Finding the Fourth Proportional to 769,853.57, 1,062,305.20 and 425,643

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Solution

The fourth proportional to 769,853.57, 1,062,305.20 and 425,643 is: 587,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,853.57 : 1,062,305.20 = 425,643 : x
  2. Step 2: Convert to fraction form
    769,853.57/1,062,305.20 = 425,643/x
  3. Step 3: Cross multiply
    769,853.57x = 1,062,305.20 × 425,643
  4. Step 4: Simplify right side
    769,853.57x = 452,162,772,243.60
  5. Step 5: Solve for x
    x = 452,162,772,243.60/769,853.57
  6. Step 6: Final answer
    x = 587,336.07

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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.