Home / 729,341.10-1,093,821.01-216,868.23

Finding the Fourth Proportional to 729,341.10, 1,093,821.01 and 216,868.23

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Solution

The fourth proportional to 729,341.10, 1,093,821.01 and 216,868.23 is: 325,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,341.10 : 1,093,821.01 = 216,868.23 : x
  2. Step 2: Convert to fraction form
    729,341.10/1,093,821.01 = 216,868.23/x
  3. Step 3: Cross multiply
    729,341.10x = 1,093,821.01 × 216,868.23
  4. Step 4: Simplify right side
    729,341.10x = 237,215,026,375.51
  5. Step 5: Solve for x
    x = 237,215,026,375.51/729,341.10
  6. Step 6: Final answer
    x = 325,245.66

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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.