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Finding the Fourth Proportional to 543,697, 750,301.88 and 305,233

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Solution

The fourth proportional to 543,697, 750,301.88 and 305,233 is: 421,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,697 : 750,301.88 = 305,233 : x
  2. Step 2: Convert to fraction form
    543,697/750,301.88 = 305,233/x
  3. Step 3: Cross multiply
    543,697x = 750,301.88 × 305,233
  4. Step 4: Simplify right side
    543,697x = 229,016,893,738.04
  5. Step 5: Solve for x
    x = 229,016,893,738.04/543,697
  6. Step 6: Final answer
    x = 421,221.55

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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.