Home / 728,687.30-1,093,063.77-223,211.43

Finding the Fourth Proportional to 728,687.30, 1,093,063.77 and 223,211.43

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Solution

The fourth proportional to 728,687.30, 1,093,063.77 and 223,211.43 is: 334,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,687.30 : 1,093,063.77 = 223,211.43 : x
  2. Step 2: Convert to fraction form
    728,687.30/1,093,063.77 = 223,211.43/x
  3. Step 3: Cross multiply
    728,687.30x = 1,093,063.77 × 223,211.43
  4. Step 4: Simplify right side
    728,687.30x = 243,984,327,182.89
  5. Step 5: Solve for x
    x = 243,984,327,182.89/728,687.30
  6. Step 6: Final answer
    x = 334,827.20

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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.