Home / 670,333.94-1,005,287.24-220,971.05

Finding the Fourth Proportional to 670,333.94, 1,005,287.24 and 220,971.05

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Solution

The fourth proportional to 670,333.94, 1,005,287.24 and 220,971.05 is: 331,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,333.94 : 1,005,287.24 = 220,971.05 : x
  2. Step 2: Convert to fraction form
    670,333.94/1,005,287.24 = 220,971.05/x
  3. Step 3: Cross multiply
    670,333.94x = 1,005,287.24 × 220,971.05
  4. Step 4: Simplify right side
    670,333.94x = 222,139,375,869.55
  5. Step 5: Solve for x
    x = 222,139,375,869.55/670,333.94
  6. Step 6: Final answer
    x = 331,386.14

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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.