Home / 670,339.94-1,005,296.22-220,977.06

Finding the Fourth Proportional to 670,339.94, 1,005,296.22 and 220,977.06

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Solution

The fourth proportional to 670,339.94, 1,005,296.22 and 220,977.06 is: 331,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,339.94 : 1,005,296.22 = 220,977.06 : x
  2. Step 2: Convert to fraction form
    670,339.94/1,005,296.22 = 220,977.06/x
  3. Step 3: Cross multiply
    670,339.94x = 1,005,296.22 × 220,977.06
  4. Step 4: Simplify right side
    670,339.94x = 222,147,403,124.71
  5. Step 5: Solve for x
    x = 222,147,403,124.71/670,339.94
  6. Step 6: Final answer
    x = 331,395.15

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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.