Home / 782,425.20-1,174,512.60-605,715.60

Finding the Fourth Proportional to 782,425.20, 1,174,512.60 and 605,715.60

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Solution

The fourth proportional to 782,425.20, 1,174,512.60 and 605,715.60 is: 909,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,425.20 : 1,174,512.60 = 605,715.60 : x
  2. Step 2: Convert to fraction form
    782,425.20/1,174,512.60 = 605,715.60/x
  3. Step 3: Cross multiply
    782,425.20x = 1,174,512.60 × 605,715.60
  4. Step 4: Simplify right side
    782,425.20x = 711,420,604,216.56
  5. Step 5: Solve for x
    x = 711,420,604,216.56/782,425.20
  6. Step 6: Final answer
    x = 909,250.63

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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.