Home / 663,917.80-996,006.30-264,490.60

Finding the Fourth Proportional to 663,917.80, 996,006.30 and 264,490.60

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Solution

The fourth proportional to 663,917.80, 996,006.30 and 264,490.60 is: 396,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,917.80 : 996,006.30 = 264,490.60 : x
  2. Step 2: Convert to fraction form
    663,917.80/996,006.30 = 264,490.60/x
  3. Step 3: Cross multiply
    663,917.80x = 996,006.30 × 264,490.60
  4. Step 4: Simplify right side
    663,917.80x = 263,434,303,890.78
  5. Step 5: Solve for x
    x = 263,434,303,890.78/663,917.80
  6. Step 6: Final answer
    x = 396,787.53

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1.5x scale

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.