Home / 694,235.52-1,039,876.62-409,619.32

Finding the Fourth Proportional to 694,235.52, 1,039,876.62 and 409,619.32

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Solution

The fourth proportional to 694,235.52, 1,039,876.62 and 409,619.32 is: 613,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,235.52 : 1,039,876.62 = 409,619.32 : x
  2. Step 2: Convert to fraction form
    694,235.52/1,039,876.62 = 409,619.32/x
  3. Step 3: Cross multiply
    694,235.52x = 1,039,876.62 × 409,619.32
  4. Step 4: Simplify right side
    694,235.52x = 425,953,553,968.30
  5. Step 5: Solve for x
    x = 425,953,553,968.30/694,235.52
  6. Step 6: Final answer
    x = 613,557.71

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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.