Home / 706,960.80-1,060,441.20-423,525.60

Finding the Fourth Proportional to 706,960.80, 1,060,441.20 and 423,525.60

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Solution

The fourth proportional to 706,960.80, 1,060,441.20 and 423,525.60 is: 635,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,960.80 : 1,060,441.20 = 423,525.60 : x
  2. Step 2: Convert to fraction form
    706,960.80/1,060,441.20 = 423,525.60/x
  3. Step 3: Cross multiply
    706,960.80x = 1,060,441.20 × 423,525.60
  4. Step 4: Simplify right side
    706,960.80x = 449,123,995,494.72
  5. Step 5: Solve for x
    x = 449,123,995,494.72/706,960.80
  6. Step 6: Final answer
    x = 635,288.40

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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.