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Finding the Fourth Proportional to 587,988.08, 811,771.39 and 370,383.29

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Solution

The fourth proportional to 587,988.08, 811,771.39 and 370,383.29 is: 511,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,988.08 : 811,771.39 = 370,383.29 : x
  2. Step 2: Convert to fraction form
    587,988.08/811,771.39 = 370,383.29/x
  3. Step 3: Cross multiply
    587,988.08x = 811,771.39 × 370,383.29
  4. Step 4: Simplify right side
    587,988.08x = 300,666,560,648.48
  5. Step 5: Solve for x
    x = 300,666,560,648.48/587,988.08
  6. Step 6: Final answer
    x = 511,348.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.