Home / 691,769.10-1,037,968.91-355,046.19

Finding the Fourth Proportional to 691,769.10, 1,037,968.91 and 355,046.19

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Solution

The fourth proportional to 691,769.10, 1,037,968.91 and 355,046.19 is: 532,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,769.10 : 1,037,968.91 = 355,046.19 : x
  2. Step 2: Convert to fraction form
    691,769.10/1,037,968.91 = 355,046.19/x
  3. Step 3: Cross multiply
    691,769.10x = 1,037,968.91 × 355,046.19
  4. Step 4: Simplify right side
    691,769.10x = 368,526,906,833.95
  5. Step 5: Solve for x
    x = 368,526,906,833.95/691,769.10
  6. Step 6: Final answer
    x = 532,731.09

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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.