Home / 814,199.65-1,220,971.32-245,404.69

Finding the Fourth Proportional to 814,199.65, 1,220,971.32 and 245,404.69

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Solution

The fourth proportional to 814,199.65, 1,220,971.32 and 245,404.69 is: 368,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,199.65 : 1,220,971.32 = 245,404.69 : x
  2. Step 2: Convert to fraction form
    814,199.65/1,220,971.32 = 245,404.69/x
  3. Step 3: Cross multiply
    814,199.65x = 1,220,971.32 × 245,404.69
  4. Step 4: Simplify right side
    814,199.65x = 299,632,085,231.06
  5. Step 5: Solve for x
    x = 299,632,085,231.06/814,199.65
  6. Step 6: Final answer
    x = 368,008.12

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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.