Home / 495,423.25-683,685.41-291,481.85

Finding the Fourth Proportional to 495,423.25, 683,685.41 and 291,481.85

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Solution

The fourth proportional to 495,423.25, 683,685.41 and 291,481.85 is: 402,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,423.25 : 683,685.41 = 291,481.85 : x
  2. Step 2: Convert to fraction form
    495,423.25/683,685.41 = 291,481.85/x
  3. Step 3: Cross multiply
    495,423.25x = 683,685.41 × 291,481.85
  4. Step 4: Simplify right side
    495,423.25x = 199,281,888,376.61
  5. Step 5: Solve for x
    x = 199,281,888,376.61/495,423.25
  6. Step 6: Final answer
    x = 402,245.74

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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.