Home / 690,874.67-1,036,312.00-269,855.30

Finding the Fourth Proportional to 690,874.67, 1,036,312.00 and 269,855.30

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Solution

The fourth proportional to 690,874.67, 1,036,312.00 and 269,855.30 is: 404,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,874.67 : 1,036,312.00 = 269,855.30 : x
  2. Step 2: Convert to fraction form
    690,874.67/1,036,312.00 = 269,855.30/x
  3. Step 3: Cross multiply
    690,874.67x = 1,036,312.00 × 269,855.30
  4. Step 4: Simplify right side
    690,874.67x = 279,654,282,499.46
  5. Step 5: Solve for x
    x = 279,654,282,499.46/690,874.67
  6. Step 6: Final answer
    x = 404,782.95

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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.