Home / 747,414.47-1,120,455.08-273,989.32

Finding the Fourth Proportional to 747,414.47, 1,120,455.08 and 273,989.32

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Solution

The fourth proportional to 747,414.47, 1,120,455.08 and 273,989.32 is: 410,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,414.47 : 1,120,455.08 = 273,989.32 : x
  2. Step 2: Convert to fraction form
    747,414.47/1,120,455.08 = 273,989.32/x
  3. Step 3: Cross multiply
    747,414.47x = 1,120,455.08 × 273,989.32
  4. Step 4: Simplify right side
    747,414.47x = 306,992,724,089.80
  5. Step 5: Solve for x
    x = 306,992,724,089.80/747,414.47
  6. Step 6: Final answer
    x = 410,739.60

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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.