Home / 417,554.76-576,375-247,788.88

Finding the Fourth Proportional to 417,554.76, 576,375 and 247,788.88

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Solution

The fourth proportional to 417,554.76, 576,375 and 247,788.88 is: 342,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,554.76 : 576,375 = 247,788.88 : x
  2. Step 2: Convert to fraction form
    417,554.76/576,375 = 247,788.88/x
  3. Step 3: Cross multiply
    417,554.76x = 576,375 × 247,788.88
  4. Step 4: Simplify right side
    417,554.76x = 142,819,315,710
  5. Step 5: Solve for x
    x = 142,819,315,710/417,554.76
  6. Step 6: Final answer
    x = 342,037.33

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1.5x scale

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.