Home / 746,720.80-1,120,454.78-341,912.12

Finding the Fourth Proportional to 746,720.80, 1,120,454.78 and 341,912.12

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Solution

The fourth proportional to 746,720.80, 1,120,454.78 and 341,912.12 is: 513,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,720.80 : 1,120,454.78 = 341,912.12 : x
  2. Step 2: Convert to fraction form
    746,720.80/1,120,454.78 = 341,912.12/x
  3. Step 3: Cross multiply
    746,720.80x = 1,120,454.78 × 341,912.12
  4. Step 4: Simplify right side
    746,720.80x = 383,097,069,193.93
  5. Step 5: Solve for x
    x = 383,097,069,193.93/746,720.80
  6. Step 6: Final answer
    x = 513,039.24

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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.