Home / 989,860.50-1,366,008.71-537,151.50

Finding the Fourth Proportional to 989,860.50, 1,366,008.71 and 537,151.50

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Solution

The fourth proportional to 989,860.50, 1,366,008.71 and 537,151.50 is: 741,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,860.50 : 1,366,008.71 = 537,151.50 : x
  2. Step 2: Convert to fraction form
    989,860.50/1,366,008.71 = 537,151.50/x
  3. Step 3: Cross multiply
    989,860.50x = 1,366,008.71 × 537,151.50
  4. Step 4: Simplify right side
    989,860.50x = 733,753,624,903.81
  5. Step 5: Solve for x
    x = 733,753,624,903.81/989,860.50
  6. Step 6: Final answer
    x = 741,269.73

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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.