Home / 670,358.52-1,005,324.48-220,995.60

Finding the Fourth Proportional to 670,358.52, 1,005,324.48 and 220,995.60

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Solution

The fourth proportional to 670,358.52, 1,005,324.48 and 220,995.60 is: 331,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,358.52 : 1,005,324.48 = 220,995.60 : x
  2. Step 2: Convert to fraction form
    670,358.52/1,005,324.48 = 220,995.60/x
  3. Step 3: Cross multiply
    670,358.52x = 1,005,324.48 × 220,995.60
  4. Step 4: Simplify right side
    670,358.52x = 222,172,286,652.29
  5. Step 5: Solve for x
    x = 222,172,286,652.29/670,358.52
  6. Step 6: Final answer
    x = 331,423.08

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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.