Home / 949,049.13-1,309,687.77-519,329.31

Finding the Fourth Proportional to 949,049.13, 1,309,687.77 and 519,329.31

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Solution

The fourth proportional to 949,049.13, 1,309,687.77 and 519,329.31 is: 716,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,049.13 : 1,309,687.77 = 519,329.31 : x
  2. Step 2: Convert to fraction form
    949,049.13/1,309,687.77 = 519,329.31/x
  3. Step 3: Cross multiply
    949,049.13x = 1,309,687.77 × 519,329.31
  4. Step 4: Simplify right side
    949,049.13x = 680,159,245,909.54
  5. Step 5: Solve for x
    x = 680,159,245,909.54/949,049.13
  6. Step 6: Final answer
    x = 716,674.43

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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.