Home / 731,476.28-1,096,217.40-447,266

Finding the Fourth Proportional to 731,476.28, 1,096,217.40 and 447,266

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Solution

The fourth proportional to 731,476.28, 1,096,217.40 and 447,266 is: 670,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,476.28 : 1,096,217.40 = 447,266 : x
  2. Step 2: Convert to fraction form
    731,476.28/1,096,217.40 = 447,266/x
  3. Step 3: Cross multiply
    731,476.28x = 1,096,217.40 × 447,266
  4. Step 4: Simplify right side
    731,476.28x = 490,300,771,628.40
  5. Step 5: Solve for x
    x = 490,300,771,628.40/731,476.28
  6. Step 6: Final answer
    x = 670,289.37

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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.