Home / 451,947.78-677,664.75-349,328.79

Finding the Fourth Proportional to 451,947.78, 677,664.75 and 349,328.79

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Solution

The fourth proportional to 451,947.78, 677,664.75 and 349,328.79 is: 523,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,947.78 : 677,664.75 = 349,328.79 : x
  2. Step 2: Convert to fraction form
    451,947.78/677,664.75 = 349,328.79/x
  3. Step 3: Cross multiply
    451,947.78x = 677,664.75 × 349,328.79
  4. Step 4: Simplify right side
    451,947.78x = 236,727,807,143.15
  5. Step 5: Solve for x
    x = 236,727,807,143.15/451,947.78
  6. Step 6: Final answer
    x = 523,794.60

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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.