Home / 400,786.15-601,584.32-355,490.83

Finding the Fourth Proportional to 400,786.15, 601,584.32 and 355,490.83

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Solution

The fourth proportional to 400,786.15, 601,584.32 and 355,490.83 is: 533,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,786.15 : 601,584.32 = 355,490.83 : x
  2. Step 2: Convert to fraction form
    400,786.15/601,584.32 = 355,490.83/x
  3. Step 3: Cross multiply
    400,786.15x = 601,584.32 × 355,490.83
  4. Step 4: Simplify right side
    400,786.15x = 213,857,708,872.86
  5. Step 5: Solve for x
    x = 213,857,708,872.86/400,786.15
  6. Step 6: Final answer
    x = 533,595.56

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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.