Home / 636,839.94-954,914.04-316,288.50

Finding the Fourth Proportional to 636,839.94, 954,914.04 and 316,288.50

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Solution

The fourth proportional to 636,839.94, 954,914.04 and 316,288.50 is: 474,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,839.94 : 954,914.04 = 316,288.50 : x
  2. Step 2: Convert to fraction form
    636,839.94/954,914.04 = 316,288.50/x
  3. Step 3: Cross multiply
    636,839.94x = 954,914.04 × 316,288.50
  4. Step 4: Simplify right side
    636,839.94x = 302,028,329,340.54
  5. Step 5: Solve for x
    x = 302,028,329,340.54/636,839.94
  6. Step 6: Final answer
    x = 474,260.97

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Similar ratio
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1.5x scale

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.