Home / 729,542.45-1,094,981.11-369,961.48

Finding the Fourth Proportional to 729,542.45, 1,094,981.11 and 369,961.48

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Solution

The fourth proportional to 729,542.45, 1,094,981.11 and 369,961.48 is: 555,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,542.45 : 1,094,981.11 = 369,961.48 : x
  2. Step 2: Convert to fraction form
    729,542.45/1,094,981.11 = 369,961.48/x
  3. Step 3: Cross multiply
    729,542.45x = 1,094,981.11 × 369,961.48
  4. Step 4: Simplify right side
    729,542.45x = 405,100,827,352.71
  5. Step 5: Solve for x
    x = 405,100,827,352.71/729,542.45
  6. Step 6: Final answer
    x = 555,280.68

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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.