Home / 668,859.37-1,003,286.30-242,295.31

Finding the Fourth Proportional to 668,859.37, 1,003,286.30 and 242,295.31

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Solution

The fourth proportional to 668,859.37, 1,003,286.30 and 242,295.31 is: 363,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,859.37 : 1,003,286.30 = 242,295.31 : x
  2. Step 2: Convert to fraction form
    668,859.37/1,003,286.30 = 242,295.31/x
  3. Step 3: Cross multiply
    668,859.37x = 1,003,286.30 × 242,295.31
  4. Step 4: Simplify right side
    668,859.37x = 243,091,565,077.25
  5. Step 5: Solve for x
    x = 243,091,565,077.25/668,859.37
  6. Step 6: Final answer
    x = 363,441.97

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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.