Home / 495,931.48-743,274.60-268,218.02

Finding the Fourth Proportional to 495,931.48, 743,274.60 and 268,218.02

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Solution

The fourth proportional to 495,931.48, 743,274.60 and 268,218.02 is: 401,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,931.48 : 743,274.60 = 268,218.02 : x
  2. Step 2: Convert to fraction form
    495,931.48/743,274.60 = 268,218.02/x
  3. Step 3: Cross multiply
    495,931.48x = 743,274.60 × 268,218.02
  4. Step 4: Simplify right side
    495,931.48x = 199,359,639,670.11
  5. Step 5: Solve for x
    x = 199,359,639,670.11/495,931.48
  6. Step 6: Final answer
    x = 401,990.29

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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.