Home / 843,477.71-1,265,215.55-274,857.91

Finding the Fourth Proportional to 843,477.71, 1,265,215.55 and 274,857.91

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Solution

The fourth proportional to 843,477.71, 1,265,215.55 and 274,857.91 is: 412,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,477.71 : 1,265,215.55 = 274,857.91 : x
  2. Step 2: Convert to fraction form
    843,477.71/1,265,215.55 = 274,857.91/x
  3. Step 3: Cross multiply
    843,477.71x = 1,265,215.55 × 274,857.91
  4. Step 4: Simplify right side
    843,477.71x = 347,754,497,235.17
  5. Step 5: Solve for x
    x = 347,754,497,235.17/843,477.71
  6. Step 6: Final answer
    x = 412,286.53

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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.