Home / 872,768.97-1,309,152.83-273,776.40

Finding the Fourth Proportional to 872,768.97, 1,309,152.83 and 273,776.40

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Solution

The fourth proportional to 872,768.97, 1,309,152.83 and 273,776.40 is: 410,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,768.97 : 1,309,152.83 = 273,776.40 : x
  2. Step 2: Convert to fraction form
    872,768.97/1,309,152.83 = 273,776.40/x
  3. Step 3: Cross multiply
    872,768.97x = 1,309,152.83 × 273,776.40
  4. Step 4: Simplify right side
    872,768.97x = 358,415,147,478.33
  5. Step 5: Solve for x
    x = 358,415,147,478.33/872,768.97
  6. Step 6: Final answer
    x = 410,664.40

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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.