Home / 789,436.32-1,182,448.62-414,672

Finding the Fourth Proportional to 789,436.32, 1,182,448.62 and 414,672

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Solution

The fourth proportional to 789,436.32, 1,182,448.62 and 414,672 is: 621,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,436.32 : 1,182,448.62 = 414,672 : x
  2. Step 2: Convert to fraction form
    789,436.32/1,182,448.62 = 414,672/x
  3. Step 3: Cross multiply
    789,436.32x = 1,182,448.62 × 414,672
  4. Step 4: Simplify right side
    789,436.32x = 490,328,334,152.64
  5. Step 5: Solve for x
    x = 490,328,334,152.64/789,436.32
  6. Step 6: Final answer
    x = 621,111.95

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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.