Home / 811,838.36-1,217,614.98-250,877.72

Finding the Fourth Proportional to 811,838.36, 1,217,614.98 and 250,877.72

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Solution

The fourth proportional to 811,838.36, 1,217,614.98 and 250,877.72 is: 376,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,838.36 : 1,217,614.98 = 250,877.72 : x
  2. Step 2: Convert to fraction form
    811,838.36/1,217,614.98 = 250,877.72/x
  3. Step 3: Cross multiply
    811,838.36x = 1,217,614.98 × 250,877.72
  4. Step 4: Simplify right side
    811,838.36x = 305,472,470,020.25
  5. Step 5: Solve for x
    x = 305,472,470,020.25/811,838.36
  6. Step 6: Final answer
    x = 376,272.53

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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.