Home / 495,012.20-683,117.12-268,657.70

Finding the Fourth Proportional to 495,012.20, 683,117.12 and 268,657.70

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Solution

The fourth proportional to 495,012.20, 683,117.12 and 268,657.70 is: 370,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,012.20 : 683,117.12 = 268,657.70 : x
  2. Step 2: Convert to fraction form
    495,012.20/683,117.12 = 268,657.70/x
  3. Step 3: Cross multiply
    495,012.20x = 683,117.12 × 268,657.70
  4. Step 4: Simplify right side
    495,012.20x = 183,524,674,654.33
  5. Step 5: Solve for x
    x = 183,524,674,654.33/495,012.20
  6. Step 6: Final answer
    x = 370,747.78

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1.5x scale

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.