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Finding the Fourth Proportional to 536,977.80, 804,545.10 and 255,889.80

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Solution

The fourth proportional to 536,977.80, 804,545.10 and 255,889.80 is: 383,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,977.80 : 804,545.10 = 255,889.80 : x
  2. Step 2: Convert to fraction form
    536,977.80/804,545.10 = 255,889.80/x
  3. Step 3: Cross multiply
    536,977.80x = 804,545.10 × 255,889.80
  4. Step 4: Simplify right side
    536,977.80x = 205,874,884,729.98
  5. Step 5: Solve for x
    x = 205,874,884,729.98/536,977.80
  6. Step 6: Final answer
    x = 383,395.52

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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.