Home / 746,121.45-1,118,908.80-240,815.10

Finding the Fourth Proportional to 746,121.45, 1,118,908.80 and 240,815.10

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Solution

The fourth proportional to 746,121.45, 1,118,908.80 and 240,815.10 is: 361,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,121.45 : 1,118,908.80 = 240,815.10 : x
  2. Step 2: Convert to fraction form
    746,121.45/1,118,908.80 = 240,815.10/x
  3. Step 3: Cross multiply
    746,121.45x = 1,118,908.80 × 240,815.10
  4. Step 4: Simplify right side
    746,121.45x = 269,450,134,562.88
  5. Step 5: Solve for x
    x = 269,450,134,562.88/746,121.45
  6. Step 6: Final answer
    x = 361,134.42

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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.