Home / 820,252.67-1,131,812.87-547,883.69

Finding the Fourth Proportional to 820,252.67, 1,131,812.87 and 547,883.69

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Solution

The fourth proportional to 820,252.67, 1,131,812.87 and 547,883.69 is: 755,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,252.67 : 1,131,812.87 = 547,883.69 : x
  2. Step 2: Convert to fraction form
    820,252.67/1,131,812.87 = 547,883.69/x
  3. Step 3: Cross multiply
    820,252.67x = 1,131,812.87 × 547,883.69
  4. Step 4: Simplify right side
    820,252.67x = 620,101,803,206.61
  5. Step 5: Solve for x
    x = 620,101,803,206.61/820,252.67
  6. Step 6: Final answer
    x = 755,988.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.