Home / 999,020.05-1,498,280.61-391,932.09

Finding the Fourth Proportional to 999,020.05, 1,498,280.61 and 391,932.09

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Solution

The fourth proportional to 999,020.05, 1,498,280.61 and 391,932.09 is: 587,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,020.05 : 1,498,280.61 = 391,932.09 : x
  2. Step 2: Convert to fraction form
    999,020.05/1,498,280.61 = 391,932.09/x
  3. Step 3: Cross multiply
    999,020.05x = 1,498,280.61 × 391,932.09
  4. Step 4: Simplify right side
    999,020.05x = 587,224,255,767.46
  5. Step 5: Solve for x
    x = 587,224,255,767.46/999,020.05
  6. Step 6: Final answer
    x = 587,800.27

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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.