Home / 769,962.53-1,062,555.02-425,780.57

Finding the Fourth Proportional to 769,962.53, 1,062,555.02 and 425,780.57

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Solution

The fourth proportional to 769,962.53, 1,062,555.02 and 425,780.57 is: 587,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,962.53 : 1,062,555.02 = 425,780.57 : x
  2. Step 2: Convert to fraction form
    769,962.53/1,062,555.02 = 425,780.57/x
  3. Step 3: Cross multiply
    769,962.53x = 1,062,555.02 × 425,780.57
  4. Step 4: Simplify right side
    769,962.53x = 452,415,274,630.28
  5. Step 5: Solve for x
    x = 452,415,274,630.28/769,962.53
  6. Step 6: Final answer
    x = 587,580.90

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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.