Home / 989,883.46-1,366,039.17-537,174.46

Finding the Fourth Proportional to 989,883.46, 1,366,039.17 and 537,174.46

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Solution

The fourth proportional to 989,883.46, 1,366,039.17 and 537,174.46 is: 741,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,883.46 : 1,366,039.17 = 537,174.46 : x
  2. Step 2: Convert to fraction form
    989,883.46/1,366,039.17 = 537,174.46/x
  3. Step 3: Cross multiply
    989,883.46x = 1,366,039.17 × 537,174.46
  4. Step 4: Simplify right side
    989,883.46x = 733,801,355,191.15
  5. Step 5: Solve for x
    x = 733,801,355,191.15/989,883.46
  6. Step 6: Final answer
    x = 741,300.75

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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.