Home / 731,212.80-1,096,819.20-615,739.20

Finding the Fourth Proportional to 731,212.80, 1,096,819.20 and 615,739.20

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Solution

The fourth proportional to 731,212.80, 1,096,819.20 and 615,739.20 is: 923,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,212.80 : 1,096,819.20 = 615,739.20 : x
  2. Step 2: Convert to fraction form
    731,212.80/1,096,819.20 = 615,739.20/x
  3. Step 3: Cross multiply
    731,212.80x = 1,096,819.20 × 615,739.20
  4. Step 4: Simplify right side
    731,212.80x = 675,354,576,752.64
  5. Step 5: Solve for x
    x = 675,354,576,752.64/731,212.80
  6. Step 6: Final answer
    x = 923,608.80

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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.