Home / 836,776.46-1,254,665.78-331,409.97

Finding the Fourth Proportional to 836,776.46, 1,254,665.78 and 331,409.97

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Solution

The fourth proportional to 836,776.46, 1,254,665.78 and 331,409.97 is: 496,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,776.46 : 1,254,665.78 = 331,409.97 : x
  2. Step 2: Convert to fraction form
    836,776.46/1,254,665.78 = 331,409.97/x
  3. Step 3: Cross multiply
    836,776.46x = 1,254,665.78 × 331,409.97
  4. Step 4: Simplify right side
    836,776.46x = 415,808,748,509.83
  5. Step 5: Solve for x
    x = 415,808,748,509.83/836,776.46
  6. Step 6: Final answer
    x = 496,917.36

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1.5x scale

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.