Home / 819,745.56-1,229,766.57-370,678.05

Finding the Fourth Proportional to 819,745.56, 1,229,766.57 and 370,678.05

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Solution

The fourth proportional to 819,745.56, 1,229,766.57 and 370,678.05 is: 556,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,745.56 : 1,229,766.57 = 370,678.05 : x
  2. Step 2: Convert to fraction form
    819,745.56/1,229,766.57 = 370,678.05/x
  3. Step 3: Cross multiply
    819,745.56x = 1,229,766.57 × 370,678.05
  4. Step 4: Simplify right side
    819,745.56x = 455,847,474,122.79
  5. Step 5: Solve for x
    x = 455,847,474,122.79/819,745.56
  6. Step 6: Final answer
    x = 556,084.10

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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.