Home / 980,253.24-1,467,812.82-642,230.52

Finding the Fourth Proportional to 980,253.24, 1,467,812.82 and 642,230.52

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Solution

The fourth proportional to 980,253.24, 1,467,812.82 and 642,230.52 is: 961,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,253.24 : 1,467,812.82 = 642,230.52 : x
  2. Step 2: Convert to fraction form
    980,253.24/1,467,812.82 = 642,230.52/x
  3. Step 3: Cross multiply
    980,253.24x = 1,467,812.82 × 642,230.52
  4. Step 4: Simplify right side
    980,253.24x = 942,674,190,651.27
  5. Step 5: Solve for x
    x = 942,674,190,651.27/980,253.24
  6. Step 6: Final answer
    x = 961,663.94

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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.