Home / 807,484.48-1,210,321.66-327,600.88

Finding the Fourth Proportional to 807,484.48, 1,210,321.66 and 327,600.88

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Solution

The fourth proportional to 807,484.48, 1,210,321.66 and 327,600.88 is: 491,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,484.48 : 1,210,321.66 = 327,600.88 : x
  2. Step 2: Convert to fraction form
    807,484.48/1,210,321.66 = 327,600.88/x
  3. Step 3: Cross multiply
    807,484.48x = 1,210,321.66 × 327,600.88
  4. Step 4: Simplify right side
    807,484.48x = 396,502,440,899.06
  5. Step 5: Solve for x
    x = 396,502,440,899.06/807,484.48
  6. Step 6: Final answer
    x = 491,034.13

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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.