Home / 495,931.87-743,275.19-268,218.41

Finding the Fourth Proportional to 495,931.87, 743,275.19 and 268,218.41

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Solution

The fourth proportional to 495,931.87, 743,275.19 and 268,218.41 is: 401,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,931.87 : 743,275.19 = 268,218.41 : x
  2. Step 2: Convert to fraction form
    495,931.87/743,275.19 = 268,218.41/x
  3. Step 3: Cross multiply
    495,931.87x = 743,275.19 × 268,218.41
  4. Step 4: Simplify right side
    495,931.87x = 199,360,089,654.25
  5. Step 5: Solve for x
    x = 199,360,089,654.25/495,931.87
  6. Step 6: Final answer
    x = 401,990.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.