Home / 680,332.01-1,020,418.70-253,882.53

Finding the Fourth Proportional to 680,332.01, 1,020,418.70 and 253,882.53

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Solution

The fourth proportional to 680,332.01, 1,020,418.70 and 253,882.53 is: 380,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,332.01 : 1,020,418.70 = 253,882.53 : x
  2. Step 2: Convert to fraction form
    680,332.01/1,020,418.70 = 253,882.53/x
  3. Step 3: Cross multiply
    680,332.01x = 1,020,418.70 × 253,882.53
  4. Step 4: Simplify right side
    680,332.01x = 259,066,479,945.90
  5. Step 5: Solve for x
    x = 259,066,479,945.90/680,332.01
  6. Step 6: Final answer
    x = 380,794.20

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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.