Home / 729,649.90-1,094,478.50-329,822.56

Finding the Fourth Proportional to 729,649.90, 1,094,478.50 and 329,822.56

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Solution

The fourth proportional to 729,649.90, 1,094,478.50 and 329,822.56 is: 494,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,649.90 : 1,094,478.50 = 329,822.56 : x
  2. Step 2: Convert to fraction form
    729,649.90/1,094,478.50 = 329,822.56/x
  3. Step 3: Cross multiply
    729,649.90x = 1,094,478.50 × 329,822.56
  4. Step 4: Simplify right side
    729,649.90x = 360,983,699,085.85
  5. Step 5: Solve for x
    x = 360,983,699,085.85/729,649.90
  6. Step 6: Final answer
    x = 494,735.49

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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.