Home / 680,287.95-1,020,661.56-301,156.38

Finding the Fourth Proportional to 680,287.95, 1,020,661.56 and 301,156.38

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Solution

The fourth proportional to 680,287.95, 1,020,661.56 and 301,156.38 is: 451,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,287.95 : 1,020,661.56 = 301,156.38 : x
  2. Step 2: Convert to fraction form
    680,287.95/1,020,661.56 = 301,156.38/x
  3. Step 3: Cross multiply
    680,287.95x = 1,020,661.56 × 301,156.38
  4. Step 4: Simplify right side
    680,287.95x = 307,378,740,614.75
  5. Step 5: Solve for x
    x = 307,378,740,614.75/680,287.95
  6. Step 6: Final answer
    x = 451,836.23

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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.