Home / 728,703.60-1,093,088.18-223,227.68

Finding the Fourth Proportional to 728,703.60, 1,093,088.18 and 223,227.68

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Solution

The fourth proportional to 728,703.60, 1,093,088.18 and 223,227.68 is: 334,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,703.60 : 1,093,088.18 = 223,227.68 : x
  2. Step 2: Convert to fraction form
    728,703.60/1,093,088.18 = 223,227.68/x
  3. Step 3: Cross multiply
    728,703.60x = 1,093,088.18 × 223,227.68
  4. Step 4: Simplify right side
    728,703.60x = 244,007,538,456.82
  5. Step 5: Solve for x
    x = 244,007,538,456.82/728,703.60
  6. Step 6: Final answer
    x = 334,851.56

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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.