Home / 728,685.80-1,093,061.52-223,209.93

Finding the Fourth Proportional to 728,685.80, 1,093,061.52 and 223,209.93

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Solution

The fourth proportional to 728,685.80, 1,093,061.52 and 223,209.93 is: 334,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,685.80 : 1,093,061.52 = 223,209.93 : x
  2. Step 2: Convert to fraction form
    728,685.80/1,093,061.52 = 223,209.93/x
  3. Step 3: Cross multiply
    728,685.80x = 1,093,061.52 × 223,209.93
  4. Step 4: Simplify right side
    728,685.80x = 243,982,185,364.89
  5. Step 5: Solve for x
    x = 243,982,185,364.89/728,685.80
  6. Step 6: Final answer
    x = 334,824.95

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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.