Home / 690,895.77-1,036,343.67-269,876.40

Finding the Fourth Proportional to 690,895.77, 1,036,343.67 and 269,876.40

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Solution

The fourth proportional to 690,895.77, 1,036,343.67 and 269,876.40 is: 404,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,895.77 : 1,036,343.67 = 269,876.40 : x
  2. Step 2: Convert to fraction form
    690,895.77/1,036,343.67 = 269,876.40/x
  3. Step 3: Cross multiply
    690,895.77x = 1,036,343.67 × 269,876.40
  4. Step 4: Simplify right side
    690,895.77x = 279,684,698,822.39
  5. Step 5: Solve for x
    x = 279,684,698,822.39/690,895.77
  6. Step 6: Final answer
    x = 404,814.61

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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.