Home / 789,434.32-1,182,445.62-414,670

Finding the Fourth Proportional to 789,434.32, 1,182,445.62 and 414,670

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Solution

The fourth proportional to 789,434.32, 1,182,445.62 and 414,670 is: 621,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,434.32 : 1,182,445.62 = 414,670 : x
  2. Step 2: Convert to fraction form
    789,434.32/1,182,445.62 = 414,670/x
  3. Step 3: Cross multiply
    789,434.32x = 1,182,445.62 × 414,670
  4. Step 4: Simplify right side
    789,434.32x = 490,324,725,245.40
  5. Step 5: Solve for x
    x = 490,324,725,245.40/789,434.32
  6. Step 6: Final answer
    x = 621,108.95

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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.