Home / 769,865.32-1,062,321.36-425,654.80

Finding the Fourth Proportional to 769,865.32, 1,062,321.36 and 425,654.80

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Solution

The fourth proportional to 769,865.32, 1,062,321.36 and 425,654.80 is: 587,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,865.32 : 1,062,321.36 = 425,654.80 : x
  2. Step 2: Convert to fraction form
    769,865.32/1,062,321.36 = 425,654.80/x
  3. Step 3: Cross multiply
    769,865.32x = 1,062,321.36 × 425,654.80
  4. Step 4: Simplify right side
    769,865.32x = 452,182,186,026.53
  5. Step 5: Solve for x
    x = 452,182,186,026.53/769,865.32
  6. Step 6: Final answer
    x = 587,352.33

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1.5x scale

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.