Home / 669,273.47-1,003,532.93-219,873.68

Finding the Fourth Proportional to 669,273.47, 1,003,532.93 and 219,873.68

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Solution

The fourth proportional to 669,273.47, 1,003,532.93 and 219,873.68 is: 329,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,273.47 : 1,003,532.93 = 219,873.68 : x
  2. Step 2: Convert to fraction form
    669,273.47/1,003,532.93 = 219,873.68/x
  3. Step 3: Cross multiply
    669,273.47x = 1,003,532.93 × 219,873.68
  4. Step 4: Simplify right side
    669,273.47x = 220,650,476,791.02
  5. Step 5: Solve for x
    x = 220,650,476,791.02/669,273.47
  6. Step 6: Final answer
    x = 329,686.57

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1.5x scale

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.