Home / 949,086.76-1,309,739.80-519,366.91

Finding the Fourth Proportional to 949,086.76, 1,309,739.80 and 519,366.91

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Solution

The fourth proportional to 949,086.76, 1,309,739.80 and 519,366.91 is: 716,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,086.76 : 1,309,739.80 = 519,366.91 : x
  2. Step 2: Convert to fraction form
    949,086.76/1,309,739.80 = 519,366.91/x
  3. Step 3: Cross multiply
    949,086.76x = 1,309,739.80 × 519,366.91
  4. Step 4: Simplify right side
    949,086.76x = 680,235,510,233.18
  5. Step 5: Solve for x
    x = 680,235,510,233.18/949,086.76
  6. Step 6: Final answer
    x = 716,726.37

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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.