Home / 804,872.48-1,207,304.40-205,832.66

Finding the Fourth Proportional to 804,872.48, 1,207,304.40 and 205,832.66

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Solution

The fourth proportional to 804,872.48, 1,207,304.40 and 205,832.66 is: 308,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,872.48 : 1,207,304.40 = 205,832.66 : x
  2. Step 2: Convert to fraction form
    804,872.48/1,207,304.40 = 205,832.66/x
  3. Step 3: Cross multiply
    804,872.48x = 1,207,304.40 × 205,832.66
  4. Step 4: Simplify right side
    804,872.48x = 248,502,676,081.70
  5. Step 5: Solve for x
    x = 248,502,676,081.70/804,872.48
  6. Step 6: Final answer
    x = 308,747.89

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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.