Home / 811,302.70-1,216,954.05-362,022.70

Finding the Fourth Proportional to 811,302.70, 1,216,954.05 and 362,022.70

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Solution

The fourth proportional to 811,302.70, 1,216,954.05 and 362,022.70 is: 543,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,302.70 : 1,216,954.05 = 362,022.70 : x
  2. Step 2: Convert to fraction form
    811,302.70/1,216,954.05 = 362,022.70/x
  3. Step 3: Cross multiply
    811,302.70x = 1,216,954.05 × 362,022.70
  4. Step 4: Simplify right side
    811,302.70x = 440,564,990,956.94
  5. Step 5: Solve for x
    x = 440,564,990,956.94/811,302.70
  6. Step 6: Final answer
    x = 543,034.05

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Similar ratio
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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.