Home / 538,091.83-742,571.72-296,382.97

Finding the Fourth Proportional to 538,091.83, 742,571.72 and 296,382.97

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Solution

The fourth proportional to 538,091.83, 742,571.72 and 296,382.97 is: 409,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,091.83 : 742,571.72 = 296,382.97 : x
  2. Step 2: Convert to fraction form
    538,091.83/742,571.72 = 296,382.97/x
  3. Step 3: Cross multiply
    538,091.83x = 742,571.72 × 296,382.97
  4. Step 4: Simplify right side
    538,091.83x = 220,085,611,811.61
  5. Step 5: Solve for x
    x = 220,085,611,811.61/538,091.83
  6. Step 6: Final answer
    x = 409,011.25

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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.