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Finding the Fourth Proportional to 568,343.01, 852,891.02 and 312,354.35

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Solution

The fourth proportional to 568,343.01, 852,891.02 and 312,354.35 is: 468,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,343.01 : 852,891.02 = 312,354.35 : x
  2. Step 2: Convert to fraction form
    568,343.01/852,891.02 = 312,354.35/x
  3. Step 3: Cross multiply
    568,343.01x = 852,891.02 × 312,354.35
  4. Step 4: Simplify right side
    568,343.01x = 266,404,214,346.71
  5. Step 5: Solve for x
    x = 266,404,214,346.71/568,343.01
  6. Step 6: Final answer
    x = 468,738.44

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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.