Home / 731,047.80-1,096,571.70-720,550.20

Finding the Fourth Proportional to 731,047.80, 1,096,571.70 and 720,550.20

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Solution

The fourth proportional to 731,047.80, 1,096,571.70 and 720,550.20 is: 1,080,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,047.80 : 1,096,571.70 = 720,550.20 : x
  2. Step 2: Convert to fraction form
    731,047.80/1,096,571.70 = 720,550.20/x
  3. Step 3: Cross multiply
    731,047.80x = 1,096,571.70 × 720,550.20
  4. Step 4: Simplify right side
    731,047.80x = 790,134,957,749.34
  5. Step 5: Solve for x
    x = 790,134,957,749.34/731,047.80
  6. Step 6: Final answer
    x = 1,080,825.30

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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.