Home / 872,963.50-1,309,500.60-273,948.28

Finding the Fourth Proportional to 872,963.50, 1,309,500.60 and 273,948.28

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Solution

The fourth proportional to 872,963.50, 1,309,500.60 and 273,948.28 is: 410,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,963.50 : 1,309,500.60 = 273,948.28 : x
  2. Step 2: Convert to fraction form
    872,963.50/1,309,500.60 = 273,948.28/x
  3. Step 3: Cross multiply
    872,963.50x = 1,309,500.60 × 273,948.28
  4. Step 4: Simplify right side
    872,963.50x = 358,735,437,028.97
  5. Step 5: Solve for x
    x = 358,735,437,028.97/872,963.50
  6. Step 6: Final answer
    x = 410,939.79

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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.