Home / 690,894.32-1,036,341.47-269,874.95

Finding the Fourth Proportional to 690,894.32, 1,036,341.47 and 269,874.95

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Solution

The fourth proportional to 690,894.32, 1,036,341.47 and 269,874.95 is: 404,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,894.32 : 1,036,341.47 = 269,874.95 : x
  2. Step 2: Convert to fraction form
    690,894.32/1,036,341.47 = 269,874.95/x
  3. Step 3: Cross multiply
    690,894.32x = 1,036,341.47 × 269,874.95
  4. Step 4: Simplify right side
    690,894.32x = 279,682,595,868.09
  5. Step 5: Solve for x
    x = 279,682,595,868.09/690,894.32
  6. Step 6: Final answer
    x = 404,812.41

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Double scale
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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.