Home / 729,645.90-1,094,472.50-329,818.56

Finding the Fourth Proportional to 729,645.90, 1,094,472.50 and 329,818.56

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Solution

The fourth proportional to 729,645.90, 1,094,472.50 and 329,818.56 is: 494,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,645.90 : 1,094,472.50 = 329,818.56 : x
  2. Step 2: Convert to fraction form
    729,645.90/1,094,472.50 = 329,818.56/x
  3. Step 3: Cross multiply
    729,645.90x = 1,094,472.50 × 329,818.56
  4. Step 4: Simplify right side
    729,645.90x = 360,977,342,260.51
  5. Step 5: Solve for x
    x = 360,977,342,260.51/729,645.90
  6. Step 6: Final answer
    x = 494,729.49

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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.