Home / 444,311.20-666,466.80-395,322.40

Finding the Fourth Proportional to 444,311.20, 666,466.80 and 395,322.40

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Solution

The fourth proportional to 444,311.20, 666,466.80 and 395,322.40 is: 592,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,311.20 : 666,466.80 = 395,322.40 : x
  2. Step 2: Convert to fraction form
    444,311.20/666,466.80 = 395,322.40/x
  3. Step 3: Cross multiply
    444,311.20x = 666,466.80 × 395,322.40
  4. Step 4: Simplify right side
    444,311.20x = 263,469,254,896.32
  5. Step 5: Solve for x
    x = 263,469,254,896.32/444,311.20
  6. Step 6: Final answer
    x = 592,983.60

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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.