Home / 495,046.28-742,677.36-281,914.88

Finding the Fourth Proportional to 495,046.28, 742,677.36 and 281,914.88

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Solution

The fourth proportional to 495,046.28, 742,677.36 and 281,914.88 is: 422,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,046.28 : 742,677.36 = 281,914.88 : x
  2. Step 2: Convert to fraction form
    495,046.28/742,677.36 = 281,914.88/x
  3. Step 3: Cross multiply
    495,046.28x = 742,677.36 × 281,914.88
  4. Step 4: Simplify right side
    495,046.28x = 209,371,798,823.12
  5. Step 5: Solve for x
    x = 209,371,798,823.12/495,046.28
  6. Step 6: Final answer
    x = 422,933.79

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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.