Home / 880,629.66-1,320,528.06-341,138.61

Finding the Fourth Proportional to 880,629.66, 1,320,528.06 and 341,138.61

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Solution

The fourth proportional to 880,629.66, 1,320,528.06 and 341,138.61 is: 511,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,629.66 : 1,320,528.06 = 341,138.61 : x
  2. Step 2: Convert to fraction form
    880,629.66/1,320,528.06 = 341,138.61/x
  3. Step 3: Cross multiply
    880,629.66x = 1,320,528.06 × 341,138.61
  4. Step 4: Simplify right side
    880,629.66x = 450,483,106,854.40
  5. Step 5: Solve for x
    x = 450,483,106,854.40/880,629.66
  6. Step 6: Final answer
    x = 511,546.60

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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.