Home / 664,821.10-996,940.05-265,329.10

Finding the Fourth Proportional to 664,821.10, 996,940.05 and 265,329.10

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Solution

The fourth proportional to 664,821.10, 996,940.05 and 265,329.10 is: 397,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,821.10 : 996,940.05 = 265,329.10 : x
  2. Step 2: Convert to fraction form
    664,821.10/996,940.05 = 265,329.10/x
  3. Step 3: Cross multiply
    664,821.10x = 996,940.05 × 265,329.10
  4. Step 4: Simplify right side
    664,821.10x = 264,517,206,220.46
  5. Step 5: Solve for x
    x = 264,517,206,220.46/664,821.10
  6. Step 6: Final answer
    x = 397,877.27

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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.