Home / 989,860.12-1,366,008.08-537,151.12

Finding the Fourth Proportional to 989,860.12, 1,366,008.08 and 537,151.12

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Solution

The fourth proportional to 989,860.12, 1,366,008.08 and 537,151.12 is: 741,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,860.12 : 1,366,008.08 = 537,151.12 : x
  2. Step 2: Convert to fraction form
    989,860.12/1,366,008.08 = 537,151.12/x
  3. Step 3: Cross multiply
    989,860.12x = 1,366,008.08 × 537,151.12
  4. Step 4: Simplify right side
    989,860.12x = 733,752,770,101.05
  5. Step 5: Solve for x
    x = 733,752,770,101.05/989,860.12
  6. Step 6: Final answer
    x = 741,269.15

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1.5x scale

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.