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Finding the Fourth Proportional to 568,065.92, 787,244.96 and 560,048

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Solution

The fourth proportional to 568,065.92, 787,244.96 and 560,048 is: 776,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,065.92 : 787,244.96 = 560,048 : x
  2. Step 2: Convert to fraction form
    568,065.92/787,244.96 = 560,048/x
  3. Step 3: Cross multiply
    568,065.92x = 787,244.96 × 560,048
  4. Step 4: Simplify right side
    568,065.92x = 440,894,965,358.08
  5. Step 5: Solve for x
    x = 440,894,965,358.08/568,065.92
  6. Step 6: Final answer
    x = 776,133.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.