Home / 758,574.34-1,138,027.80-285,259.54

Finding the Fourth Proportional to 758,574.34, 1,138,027.80 and 285,259.54

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Solution

The fourth proportional to 758,574.34, 1,138,027.80 and 285,259.54 is: 427,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,574.34 : 1,138,027.80 = 285,259.54 : x
  2. Step 2: Convert to fraction form
    758,574.34/1,138,027.80 = 285,259.54/x
  3. Step 3: Cross multiply
    758,574.34x = 1,138,027.80 × 285,259.54
  4. Step 4: Simplify right side
    758,574.34x = 324,633,286,735.21
  5. Step 5: Solve for x
    x = 324,633,286,735.21/758,574.34
  6. Step 6: Final answer
    x = 427,951.84

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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.