Home / 741,925.15-1,023,856.72-419,628.33

Finding the Fourth Proportional to 741,925.15, 1,023,856.72 and 419,628.33

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Solution

The fourth proportional to 741,925.15, 1,023,856.72 and 419,628.33 is: 579,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,925.15 : 1,023,856.72 = 419,628.33 : x
  2. Step 2: Convert to fraction form
    741,925.15/1,023,856.72 = 419,628.33/x
  3. Step 3: Cross multiply
    741,925.15x = 1,023,856.72 × 419,628.33
  4. Step 4: Simplify right side
    741,925.15x = 429,639,284,523.81
  5. Step 5: Solve for x
    x = 429,639,284,523.81/741,925.15
  6. Step 6: Final answer
    x = 579,087.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.