Home / 865,545.15-1,298,196.75-296,916.96

Finding the Fourth Proportional to 865,545.15, 1,298,196.75 and 296,916.96

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Solution

The fourth proportional to 865,545.15, 1,298,196.75 and 296,916.96 is: 445,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,545.15 : 1,298,196.75 = 296,916.96 : x
  2. Step 2: Convert to fraction form
    865,545.15/1,298,196.75 = 296,916.96/x
  3. Step 3: Cross multiply
    865,545.15x = 1,298,196.75 × 296,916.96
  4. Step 4: Simplify right side
    865,545.15x = 385,456,632,491.88
  5. Step 5: Solve for x
    x = 385,456,632,491.88/865,545.15
  6. Step 6: Final answer
    x = 445,333.94

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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.