Home / 731,638.20-1,097,457.30-654,223.80

Finding the Fourth Proportional to 731,638.20, 1,097,457.30 and 654,223.80

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Solution

The fourth proportional to 731,638.20, 1,097,457.30 and 654,223.80 is: 981,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,638.20 : 1,097,457.30 = 654,223.80 : x
  2. Step 2: Convert to fraction form
    731,638.20/1,097,457.30 = 654,223.80/x
  3. Step 3: Cross multiply
    731,638.20x = 1,097,457.30 × 654,223.80
  4. Step 4: Simplify right side
    731,638.20x = 717,982,685,143.74
  5. Step 5: Solve for x
    x = 717,982,685,143.74/731,638.20
  6. Step 6: Final answer
    x = 981,335.70

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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.