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Finding the Fourth Proportional to 612,682.86, 845,494.83 and 344,410.86

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Solution

The fourth proportional to 612,682.86, 845,494.83 and 344,410.86 is: 475,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,682.86 : 845,494.83 = 344,410.86 : x
  2. Step 2: Convert to fraction form
    612,682.86/845,494.83 = 344,410.86/x
  3. Step 3: Cross multiply
    612,682.86x = 845,494.83 × 344,410.86
  4. Step 4: Simplify right side
    612,682.86x = 291,197,601,525.85
  5. Step 5: Solve for x
    x = 291,197,601,525.85/612,682.86
  6. Step 6: Final answer
    x = 475,282.76

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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.