Home / 874,578.24-1,311,868.80-243,491.76

Finding the Fourth Proportional to 874,578.24, 1,311,868.80 and 243,491.76

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Solution

The fourth proportional to 874,578.24, 1,311,868.80 and 243,491.76 is: 365,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,578.24 : 1,311,868.80 = 243,491.76 : x
  2. Step 2: Convert to fraction form
    874,578.24/1,311,868.80 = 243,491.76/x
  3. Step 3: Cross multiply
    874,578.24x = 1,311,868.80 × 243,491.76
  4. Step 4: Simplify right side
    874,578.24x = 319,429,243,001.09
  5. Step 5: Solve for x
    x = 319,429,243,001.09/874,578.24
  6. Step 6: Final answer
    x = 365,238.04

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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.