Home / 680,767.74-1,021,151.70-207,453.42

Finding the Fourth Proportional to 680,767.74, 1,021,151.70 and 207,453.42

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Solution

The fourth proportional to 680,767.74, 1,021,151.70 and 207,453.42 is: 311,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,767.74 : 1,021,151.70 = 207,453.42 : x
  2. Step 2: Convert to fraction form
    680,767.74/1,021,151.70 = 207,453.42/x
  3. Step 3: Cross multiply
    680,767.74x = 1,021,151.70 × 207,453.42
  4. Step 4: Simplify right side
    680,767.74x = 211,841,412,503.81
  5. Step 5: Solve for x
    x = 211,841,412,503.81/680,767.74
  6. Step 6: Final answer
    x = 311,180.16

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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.