Home / 769,913.34-1,062,487.26-425,772.42

Finding the Fourth Proportional to 769,913.34, 1,062,487.26 and 425,772.42

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Solution

The fourth proportional to 769,913.34, 1,062,487.26 and 425,772.42 is: 587,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,913.34 : 1,062,487.26 = 425,772.42 : x
  2. Step 2: Convert to fraction form
    769,913.34/1,062,487.26 = 425,772.42/x
  3. Step 3: Cross multiply
    769,913.34x = 1,062,487.26 × 425,772.42
  4. Step 4: Simplify right side
    769,913.34x = 452,377,767,925.04
  5. Step 5: Solve for x
    x = 452,377,767,925.04/769,913.34
  6. Step 6: Final answer
    x = 587,569.73

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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.