Home / 685,264.32-1,027,965.33-235,925.73

Finding the Fourth Proportional to 685,264.32, 1,027,965.33 and 235,925.73

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Solution

The fourth proportional to 685,264.32, 1,027,965.33 and 235,925.73 is: 353,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,264.32 : 1,027,965.33 = 235,925.73 : x
  2. Step 2: Convert to fraction form
    685,264.32/1,027,965.33 = 235,925.73/x
  3. Step 3: Cross multiply
    685,264.32x = 1,027,965.33 × 235,925.73
  4. Step 4: Simplify right side
    685,264.32x = 242,523,464,575.49
  5. Step 5: Solve for x
    x = 242,523,464,575.49/685,264.32
  6. Step 6: Final answer
    x = 353,912.29

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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.