Home / 745,084.71-1,117,793.72-271,770.06

Finding the Fourth Proportional to 745,084.71, 1,117,793.72 and 271,770.06

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Solution

The fourth proportional to 745,084.71, 1,117,793.72 and 271,770.06 is: 407,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,084.71 : 1,117,793.72 = 271,770.06 : x
  2. Step 2: Convert to fraction form
    745,084.71/1,117,793.72 = 271,770.06/x
  3. Step 3: Cross multiply
    745,084.71x = 1,117,793.72 × 271,770.06
  4. Step 4: Simplify right side
    745,084.71x = 303,782,866,352.02
  5. Step 5: Solve for x
    x = 303,782,866,352.02/745,084.71
  6. Step 6: Final answer
    x = 407,715.88

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1.5x scale

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.