Home / 949,237.90-1,309,940.57-519,517.04

Finding the Fourth Proportional to 949,237.90, 1,309,940.57 and 519,517.04

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Solution

The fourth proportional to 949,237.90, 1,309,940.57 and 519,517.04 is: 716,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,237.90 : 1,309,940.57 = 519,517.04 : x
  2. Step 2: Convert to fraction form
    949,237.90/1,309,940.57 = 519,517.04/x
  3. Step 3: Cross multiply
    949,237.90x = 1,309,940.57 × 519,517.04
  4. Step 4: Simplify right side
    949,237.90x = 680,536,442,251.40
  5. Step 5: Solve for x
    x = 680,536,442,251.40/949,237.90
  6. Step 6: Final answer
    x = 716,929.28

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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.