Home / 747,382.80-1,120,866.48-207,514.92

Finding the Fourth Proportional to 747,382.80, 1,120,866.48 and 207,514.92

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Solution

The fourth proportional to 747,382.80, 1,120,866.48 and 207,514.92 is: 311,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,382.80 : 1,120,866.48 = 207,514.92 : x
  2. Step 2: Convert to fraction form
    747,382.80/1,120,866.48 = 207,514.92/x
  3. Step 3: Cross multiply
    747,382.80x = 1,120,866.48 × 207,514.92
  4. Step 4: Simplify right side
    747,382.80x = 232,596,517,927.88
  5. Step 5: Solve for x
    x = 232,596,517,927.88/747,382.80
  6. Step 6: Final answer
    x = 311,214.71

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1.5x scale

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.