Home / 381,827.80-526,979.84-274,752.28

Finding the Fourth Proportional to 381,827.80, 526,979.84 and 274,752.28

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Solution

The fourth proportional to 381,827.80, 526,979.84 and 274,752.28 is: 379,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,827.80 : 526,979.84 = 274,752.28 : x
  2. Step 2: Convert to fraction form
    381,827.80/526,979.84 = 274,752.28/x
  3. Step 3: Cross multiply
    381,827.80x = 526,979.84 × 274,752.28
  4. Step 4: Simplify right side
    381,827.80x = 144,788,912,554.04
  5. Step 5: Solve for x
    x = 144,788,912,554.04/381,827.80
  6. Step 6: Final answer
    x = 379,199.50

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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.