Home / 729,021.36-1,093,405.96-329,569.24

Finding the Fourth Proportional to 729,021.36, 1,093,405.96 and 329,569.24

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Solution

The fourth proportional to 729,021.36, 1,093,405.96 and 329,569.24 is: 494,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,021.36 : 1,093,405.96 = 329,569.24 : x
  2. Step 2: Convert to fraction form
    729,021.36/1,093,405.96 = 329,569.24/x
  3. Step 3: Cross multiply
    729,021.36x = 1,093,405.96 × 329,569.24
  4. Step 4: Simplify right side
    729,021.36x = 360,352,971,248.67
  5. Step 5: Solve for x
    x = 360,352,971,248.67/729,021.36
  6. Step 6: Final answer
    x = 494,296.86

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1.5x scale

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.