Home / 949,049.70-1,309,688.54-519,329.88

Finding the Fourth Proportional to 949,049.70, 1,309,688.54 and 519,329.88

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Solution

The fourth proportional to 949,049.70, 1,309,688.54 and 519,329.88 is: 716,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,049.70 : 1,309,688.54 = 519,329.88 : x
  2. Step 2: Convert to fraction form
    949,049.70/1,309,688.54 = 519,329.88/x
  3. Step 3: Cross multiply
    949,049.70x = 1,309,688.54 × 519,329.88
  4. Step 4: Simplify right side
    949,049.70x = 680,160,389,718.93
  5. Step 5: Solve for x
    x = 680,160,389,718.93/949,049.70
  6. Step 6: Final answer
    x = 716,675.21

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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.