Home / 458,977.27-687,973.69-221,993.95

Finding the Fourth Proportional to 458,977.27, 687,973.69 and 221,993.95

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Solution

The fourth proportional to 458,977.27, 687,973.69 and 221,993.95 is: 332,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,977.27 : 687,973.69 = 221,993.95 : x
  2. Step 2: Convert to fraction form
    458,977.27/687,973.69 = 221,993.95/x
  3. Step 3: Cross multiply
    458,977.27x = 687,973.69 × 221,993.95
  4. Step 4: Simplify right side
    458,977.27x = 152,725,994,664.26
  5. Step 5: Solve for x
    x = 152,725,994,664.26/458,977.27
  6. Step 6: Final answer
    x = 332,752.85

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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.