Home / 728,852.21-1,093,488.30-223,487.64

Finding the Fourth Proportional to 728,852.21, 1,093,488.30 and 223,487.64

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Solution

The fourth proportional to 728,852.21, 1,093,488.30 and 223,487.64 is: 335,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,852.21 : 1,093,488.30 = 223,487.64 : x
  2. Step 2: Convert to fraction form
    728,852.21/1,093,488.30 = 223,487.64/x
  3. Step 3: Cross multiply
    728,852.21x = 1,093,488.30 × 223,487.64
  4. Step 4: Simplify right side
    728,852.21x = 244,381,119,534.61
  5. Step 5: Solve for x
    x = 244,381,119,534.61/728,852.21
  6. Step 6: Final answer
    x = 335,295.85

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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.