Home / 949,209.73-1,309,911.61-519,517.59

Finding the Fourth Proportional to 949,209.73, 1,309,911.61 and 519,517.59

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Solution

The fourth proportional to 949,209.73, 1,309,911.61 and 519,517.59 is: 716,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,209.73 : 1,309,911.61 = 519,517.59 : x
  2. Step 2: Convert to fraction form
    949,209.73/1,309,911.61 = 519,517.59/x
  3. Step 3: Cross multiply
    949,209.73x = 1,309,911.61 × 519,517.59
  4. Step 4: Simplify right side
    949,209.73x = 680,522,122,740.22
  5. Step 5: Solve for x
    x = 680,522,122,740.22/949,209.73
  6. Step 6: Final answer
    x = 716,935.47

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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.