Home / 484,478.28-668,575.15-269,614.71

Finding the Fourth Proportional to 484,478.28, 668,575.15 and 269,614.71

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Solution

The fourth proportional to 484,478.28, 668,575.15 and 269,614.71 is: 372,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,478.28 : 668,575.15 = 269,614.71 : x
  2. Step 2: Convert to fraction form
    484,478.28/668,575.15 = 269,614.71/x
  3. Step 3: Cross multiply
    484,478.28x = 668,575.15 × 269,614.71
  4. Step 4: Simplify right side
    484,478.28x = 180,257,694,506.42
  5. Step 5: Solve for x
    x = 180,257,694,506.42/484,478.28
  6. Step 6: Final answer
    x = 372,065.58

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1.5x scale

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.