Home / 704,754.46-1,057,262.85-320,530.96

Finding the Fourth Proportional to 704,754.46, 1,057,262.85 and 320,530.96

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Solution

The fourth proportional to 704,754.46, 1,057,262.85 and 320,530.96 is: 480,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,754.46 : 1,057,262.85 = 320,530.96 : x
  2. Step 2: Convert to fraction form
    704,754.46/1,057,262.85 = 320,530.96/x
  3. Step 3: Cross multiply
    704,754.46x = 1,057,262.85 × 320,530.96
  4. Step 4: Simplify right side
    704,754.46x = 338,885,476,282.84
  5. Step 5: Solve for x
    x = 338,885,476,282.84/704,754.46
  6. Step 6: Final answer
    x = 480,856.09

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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.