Home / 842,454.57-1,162,451.55-479,885.51

Finding the Fourth Proportional to 842,454.57, 1,162,451.55 and 479,885.51

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Solution

The fourth proportional to 842,454.57, 1,162,451.55 and 479,885.51 is: 662,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,454.57 : 1,162,451.55 = 479,885.51 : x
  2. Step 2: Convert to fraction form
    842,454.57/1,162,451.55 = 479,885.51/x
  3. Step 3: Cross multiply
    842,454.57x = 1,162,451.55 × 479,885.51
  4. Step 4: Simplify right side
    842,454.57x = 557,843,659,627.74
  5. Step 5: Solve for x
    x = 557,843,659,627.74/842,454.57
  6. Step 6: Final answer
    x = 662,164.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.