Home / 913,618.32-1,370,628.90-273,896.52

Finding the Fourth Proportional to 913,618.32, 1,370,628.90 and 273,896.52

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Solution

The fourth proportional to 913,618.32, 1,370,628.90 and 273,896.52 is: 410,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,618.32 : 1,370,628.90 = 273,896.52 : x
  2. Step 2: Convert to fraction form
    913,618.32/1,370,628.90 = 273,896.52/x
  3. Step 3: Cross multiply
    913,618.32x = 1,370,628.90 × 273,896.52
  4. Step 4: Simplify right side
    913,618.32x = 375,410,485,921.43
  5. Step 5: Solve for x
    x = 375,410,485,921.43/913,618.32
  6. Step 6: Final answer
    x = 410,905.16

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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.