Home / 694,747.10-1,042,023.45-221,480.30

Finding the Fourth Proportional to 694,747.10, 1,042,023.45 and 221,480.30

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Solution

The fourth proportional to 694,747.10, 1,042,023.45 and 221,480.30 is: 332,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,747.10 : 1,042,023.45 = 221,480.30 : x
  2. Step 2: Convert to fraction form
    694,747.10/1,042,023.45 = 221,480.30/x
  3. Step 3: Cross multiply
    694,747.10x = 1,042,023.45 × 221,480.30
  4. Step 4: Simplify right side
    694,747.10x = 230,787,666,313.04
  5. Step 5: Solve for x
    x = 230,787,666,313.04/694,747.10
  6. Step 6: Final answer
    x = 332,189.46

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1.5x scale

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.