Home / 750,972.20-1,126,782.30-435,698.60

Finding the Fourth Proportional to 750,972.20, 1,126,782.30 and 435,698.60

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Solution

The fourth proportional to 750,972.20, 1,126,782.30 and 435,698.60 is: 653,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,972.20 : 1,126,782.30 = 435,698.60 : x
  2. Step 2: Convert to fraction form
    750,972.20/1,126,782.30 = 435,698.60/x
  3. Step 3: Cross multiply
    750,972.20x = 1,126,782.30 × 435,698.60
  4. Step 4: Simplify right side
    750,972.20x = 490,937,470,614.78
  5. Step 5: Solve for x
    x = 490,937,470,614.78/750,972.20
  6. Step 6: Final answer
    x = 653,735.88

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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.