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Finding the Fourth Proportional to 568,967.64, 853,574.48 and 302,689.46

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Solution

The fourth proportional to 568,967.64, 853,574.48 and 302,689.46 is: 454,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,967.64 : 853,574.48 = 302,689.46 : x
  2. Step 2: Convert to fraction form
    568,967.64/853,574.48 = 302,689.46/x
  3. Step 3: Cross multiply
    568,967.64x = 853,574.48 × 302,689.46
  4. Step 4: Simplify right side
    568,967.64x = 258,367,998,420.98
  5. Step 5: Solve for x
    x = 258,367,998,420.98/568,967.64
  6. Step 6: Final answer
    x = 454,099.64

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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.