Home / 755,847.20-1,043,029.76-469,361.18

Finding the Fourth Proportional to 755,847.20, 1,043,029.76 and 469,361.18

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Solution

The fourth proportional to 755,847.20, 1,043,029.76 and 469,361.18 is: 647,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,847.20 : 1,043,029.76 = 469,361.18 : x
  2. Step 2: Convert to fraction form
    755,847.20/1,043,029.76 = 469,361.18/x
  3. Step 3: Cross multiply
    755,847.20x = 1,043,029.76 × 469,361.18
  4. Step 4: Simplify right side
    755,847.20x = 489,557,678,928.72
  5. Step 5: Solve for x
    x = 489,557,678,928.72/755,847.20
  6. Step 6: Final answer
    x = 647,693.98

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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.