Home / 840,962.88-1,261,610.46-308,488.52

Finding the Fourth Proportional to 840,962.88, 1,261,610.46 and 308,488.52

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Solution

The fourth proportional to 840,962.88, 1,261,610.46 and 308,488.52 is: 462,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,962.88 : 1,261,610.46 = 308,488.52 : x
  2. Step 2: Convert to fraction form
    840,962.88/1,261,610.46 = 308,488.52/x
  3. Step 3: Cross multiply
    840,962.88x = 1,261,610.46 × 308,488.52
  4. Step 4: Simplify right side
    840,962.88x = 389,192,343,621.92
  5. Step 5: Solve for x
    x = 389,192,343,621.92/840,962.88
  6. Step 6: Final answer
    x = 462,793.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.