Home / 793,387.80-1,189,838.70-260,785.80

Finding the Fourth Proportional to 793,387.80, 1,189,838.70 and 260,785.80

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Solution

The fourth proportional to 793,387.80, 1,189,838.70 and 260,785.80 is: 391,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,387.80 : 1,189,838.70 = 260,785.80 : x
  2. Step 2: Convert to fraction form
    793,387.80/1,189,838.70 = 260,785.80/x
  3. Step 3: Cross multiply
    793,387.80x = 1,189,838.70 × 260,785.80
  4. Step 4: Simplify right side
    793,387.80x = 310,293,037,250.46
  5. Step 5: Solve for x
    x = 310,293,037,250.46/793,387.80
  6. Step 6: Final answer
    x = 391,098.83

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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.