Home / 781,680.30-1,171,631.01-332,120.58

Finding the Fourth Proportional to 781,680.30, 1,171,631.01 and 332,120.58

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Solution

The fourth proportional to 781,680.30, 1,171,631.01 and 332,120.58 is: 497,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,680.30 : 1,171,631.01 = 332,120.58 : x
  2. Step 2: Convert to fraction form
    781,680.30/1,171,631.01 = 332,120.58/x
  3. Step 3: Cross multiply
    781,680.30x = 1,171,631.01 × 332,120.58
  4. Step 4: Simplify right side
    781,680.30x = 389,122,770,587.19
  5. Step 5: Solve for x
    x = 389,122,770,587.19/781,680.30
  6. Step 6: Final answer
    x = 497,802.96

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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.