Home / 781,286.04-1,078,197.48-441,747

Finding the Fourth Proportional to 781,286.04, 1,078,197.48 and 441,747

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Solution

The fourth proportional to 781,286.04, 1,078,197.48 and 441,747 is: 609,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,286.04 : 1,078,197.48 = 441,747 : x
  2. Step 2: Convert to fraction form
    781,286.04/1,078,197.48 = 441,747/x
  3. Step 3: Cross multiply
    781,286.04x = 1,078,197.48 × 441,747
  4. Step 4: Simplify right side
    781,286.04x = 476,290,502,197.56
  5. Step 5: Solve for x
    x = 476,290,502,197.56/781,286.04
  6. Step 6: Final answer
    x = 609,623.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.