Home / 742,960.92-1,114,630.02-343,889.56

Finding the Fourth Proportional to 742,960.92, 1,114,630.02 and 343,889.56

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Solution

The fourth proportional to 742,960.92, 1,114,630.02 and 343,889.56 is: 515,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,960.92 : 1,114,630.02 = 343,889.56 : x
  2. Step 2: Convert to fraction form
    742,960.92/1,114,630.02 = 343,889.56/x
  3. Step 3: Cross multiply
    742,960.92x = 1,114,630.02 × 343,889.56
  4. Step 4: Simplify right side
    742,960.92x = 383,309,627,140.59
  5. Step 5: Solve for x
    x = 383,309,627,140.59/742,960.92
  6. Step 6: Final answer
    x = 515,921.65

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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.