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Finding the Fourth Proportional to 652,800.65, 979,479.61 and 368,704.49

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Solution

The fourth proportional to 652,800.65, 979,479.61 and 368,704.49 is: 553,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,800.65 : 979,479.61 = 368,704.49 : x
  2. Step 2: Convert to fraction form
    652,800.65/979,479.61 = 368,704.49/x
  3. Step 3: Cross multiply
    652,800.65x = 979,479.61 × 368,704.49
  4. Step 4: Simplify right side
    652,800.65x = 361,138,524,251.29
  5. Step 5: Solve for x
    x = 361,138,524,251.29/652,800.65
  6. Step 6: Final answer
    x = 553,214.10

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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.