Home / 427,217.90-589,559.72-245,863.76

Finding the Fourth Proportional to 427,217.90, 589,559.72 and 245,863.76

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Solution

The fourth proportional to 427,217.90, 589,559.72 and 245,863.76 is: 339,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,217.90 : 589,559.72 = 245,863.76 : x
  2. Step 2: Convert to fraction form
    427,217.90/589,559.72 = 245,863.76/x
  3. Step 3: Cross multiply
    427,217.90x = 589,559.72 × 245,863.76
  4. Step 4: Simplify right side
    427,217.90x = 144,951,365,326.63
  5. Step 5: Solve for x
    x = 144,951,365,326.63/427,217.90
  6. Step 6: Final answer
    x = 339,291.42

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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.