Home / 663,105.40-994,787.70-284,025.40

Finding the Fourth Proportional to 663,105.40, 994,787.70 and 284,025.40

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Solution

The fourth proportional to 663,105.40, 994,787.70 and 284,025.40 is: 426,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,105.40 : 994,787.70 = 284,025.40 : x
  2. Step 2: Convert to fraction form
    663,105.40/994,787.70 = 284,025.40/x
  3. Step 3: Cross multiply
    663,105.40x = 994,787.70 × 284,025.40
  4. Step 4: Simplify right side
    663,105.40x = 282,544,974,407.58
  5. Step 5: Solve for x
    x = 282,544,974,407.58/663,105.40
  6. Step 6: Final answer
    x = 426,093.61

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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.