Home / 643,024.16-964,339.20-444,619.52

Finding the Fourth Proportional to 643,024.16, 964,339.20 and 444,619.52

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Solution

The fourth proportional to 643,024.16, 964,339.20 and 444,619.52 is: 666,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,024.16 : 964,339.20 = 444,619.52 : x
  2. Step 2: Convert to fraction form
    643,024.16/964,339.20 = 444,619.52/x
  3. Step 3: Cross multiply
    643,024.16x = 964,339.20 × 444,619.52
  4. Step 4: Simplify right side
    643,024.16x = 428,764,032,221.18
  5. Step 5: Solve for x
    x = 428,764,032,221.18/643,024.16
  6. Step 6: Final answer
    x = 666,793.04

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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.