Home / 745,084.53-1,117,793.48-271,769.91

Finding the Fourth Proportional to 745,084.53, 1,117,793.48 and 271,769.91

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Solution

The fourth proportional to 745,084.53, 1,117,793.48 and 271,769.91 is: 407,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,084.53 : 1,117,793.48 = 271,769.91 : x
  2. Step 2: Convert to fraction form
    745,084.53/1,117,793.48 = 271,769.91/x
  3. Step 3: Cross multiply
    745,084.53x = 1,117,793.48 × 271,769.91
  4. Step 4: Simplify right side
    745,084.53x = 303,782,632,099.34
  5. Step 5: Solve for x
    x = 303,782,632,099.34/745,084.53
  6. Step 6: Final answer
    x = 407,715.66

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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.