Home / 920,866.82-1,380,252.78-560,242.73

Finding the Fourth Proportional to 920,866.82, 1,380,252.78 and 560,242.73

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Solution

The fourth proportional to 920,866.82, 1,380,252.78 and 560,242.73 is: 839,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,866.82 : 1,380,252.78 = 560,242.73 : x
  2. Step 2: Convert to fraction form
    920,866.82/1,380,252.78 = 560,242.73/x
  3. Step 3: Cross multiply
    920,866.82x = 1,380,252.78 × 560,242.73
  4. Step 4: Simplify right side
    920,866.82x = 773,276,578,656.03
  5. Step 5: Solve for x
    x = 773,276,578,656.03/920,866.82
  6. Step 6: Final answer
    x = 839,726.84

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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.