Home / 495,323.20-742,829.20-211,010.76

Finding the Fourth Proportional to 495,323.20, 742,829.20 and 211,010.76

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Solution

The fourth proportional to 495,323.20, 742,829.20 and 211,010.76 is: 316,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,323.20 : 742,829.20 = 211,010.76 : x
  2. Step 2: Convert to fraction form
    495,323.20/742,829.20 = 211,010.76/x
  3. Step 3: Cross multiply
    495,323.20x = 742,829.20 × 211,010.76
  4. Step 4: Simplify right side
    495,323.20x = 156,744,954,042.19
  5. Step 5: Solve for x
    x = 156,744,954,042.19/495,323.20
  6. Step 6: Final answer
    x = 316,449.85

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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.