Home / 756,011.78-1,133,623.94-356,545.30

Finding the Fourth Proportional to 756,011.78, 1,133,623.94 and 356,545.30

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Solution

The fourth proportional to 756,011.78, 1,133,623.94 and 356,545.30 is: 534,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,011.78 : 1,133,623.94 = 356,545.30 : x
  2. Step 2: Convert to fraction form
    756,011.78/1,133,623.94 = 356,545.30/x
  3. Step 3: Cross multiply
    756,011.78x = 1,133,623.94 × 356,545.30
  4. Step 4: Simplify right side
    756,011.78x = 404,188,287,774.48
  5. Step 5: Solve for x
    x = 404,188,287,774.48/756,011.78
  6. Step 6: Final answer
    x = 534,632.26

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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.