Home / 741,699.73-1,023,565.76-419,458.02

Finding the Fourth Proportional to 741,699.73, 1,023,565.76 and 419,458.02

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Solution

The fourth proportional to 741,699.73, 1,023,565.76 and 419,458.02 is: 578,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,699.73 : 1,023,565.76 = 419,458.02 : x
  2. Step 2: Convert to fraction form
    741,699.73/1,023,565.76 = 419,458.02/x
  3. Step 3: Cross multiply
    741,699.73x = 1,023,565.76 × 419,458.02
  4. Step 4: Simplify right side
    741,699.73x = 429,342,867,029.40
  5. Step 5: Solve for x
    x = 429,342,867,029.40/741,699.73
  6. Step 6: Final answer
    x = 578,863.45

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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.