Home / 876,384.53-1,314,576.81-211,536.53

Finding the Fourth Proportional to 876,384.53, 1,314,576.81 and 211,536.53

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Solution

The fourth proportional to 876,384.53, 1,314,576.81 and 211,536.53 is: 317,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,384.53 : 1,314,576.81 = 211,536.53 : x
  2. Step 2: Convert to fraction form
    876,384.53/1,314,576.81 = 211,536.53/x
  3. Step 3: Cross multiply
    876,384.53x = 1,314,576.81 × 211,536.53
  4. Step 4: Simplify right side
    876,384.53x = 278,081,015,162.65
  5. Step 5: Solve for x
    x = 278,081,015,162.65/876,384.53
  6. Step 6: Final answer
    x = 317,304.80

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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.