Home / 743,993.68-1,026,667.68-404,458.96

Finding the Fourth Proportional to 743,993.68, 1,026,667.68 and 404,458.96

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Solution

The fourth proportional to 743,993.68, 1,026,667.68 and 404,458.96 is: 558,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,993.68 : 1,026,667.68 = 404,458.96 : x
  2. Step 2: Convert to fraction form
    743,993.68/1,026,667.68 = 404,458.96/x
  3. Step 3: Cross multiply
    743,993.68x = 1,026,667.68 × 404,458.96
  4. Step 4: Simplify right side
    743,993.68x = 415,244,942,118.41
  5. Step 5: Solve for x
    x = 415,244,942,118.41/743,993.68
  6. Step 6: Final answer
    x = 558,129.66

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1.5x scale

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.