Home / 680,356.52-1,020,765.40-301,224.96

Finding the Fourth Proportional to 680,356.52, 1,020,765.40 and 301,224.96

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Solution

The fourth proportional to 680,356.52, 1,020,765.40 and 301,224.96 is: 451,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,356.52 : 1,020,765.40 = 301,224.96 : x
  2. Step 2: Convert to fraction form
    680,356.52/1,020,765.40 = 301,224.96/x
  3. Step 3: Cross multiply
    680,356.52x = 1,020,765.40 × 301,224.96
  4. Step 4: Simplify right side
    680,356.52x = 307,480,016,784.38
  5. Step 5: Solve for x
    x = 307,480,016,784.38/680,356.52
  6. Step 6: Final answer
    x = 451,939.55

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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.