Home / 782,502.20-1,174,628.10-605,792.60

Finding the Fourth Proportional to 782,502.20, 1,174,628.10 and 605,792.60

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Solution

The fourth proportional to 782,502.20, 1,174,628.10 and 605,792.60 is: 909,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,502.20 : 1,174,628.10 = 605,792.60 : x
  2. Step 2: Convert to fraction form
    782,502.20/1,174,628.10 = 605,792.60/x
  3. Step 3: Cross multiply
    782,502.20x = 1,174,628.10 × 605,792.60
  4. Step 4: Simplify right side
    782,502.20x = 711,581,010,732.06
  5. Step 5: Solve for x
    x = 711,581,010,732.06/782,502.20
  6. Step 6: Final answer
    x = 909,366.15

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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.