Home / 989,860.20-1,366,007.08-537,151.20

Finding the Fourth Proportional to 989,860.20, 1,366,007.08 and 537,151.20

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Solution

The fourth proportional to 989,860.20, 1,366,007.08 and 537,151.20 is: 741,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,860.20 : 1,366,007.08 = 537,151.20 : x
  2. Step 2: Convert to fraction form
    989,860.20/1,366,007.08 = 537,151.20/x
  3. Step 3: Cross multiply
    989,860.20x = 1,366,007.08 × 537,151.20
  4. Step 4: Simplify right side
    989,860.20x = 733,752,342,230.50
  5. Step 5: Solve for x
    x = 733,752,342,230.50/989,860.20
  6. Step 6: Final answer
    x = 741,268.66

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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.