Home / 767,855.88-1,151,951.90-235,418.45

Finding the Fourth Proportional to 767,855.88, 1,151,951.90 and 235,418.45

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Solution

The fourth proportional to 767,855.88, 1,151,951.90 and 235,418.45 is: 353,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,855.88 : 1,151,951.90 = 235,418.45 : x
  2. Step 2: Convert to fraction form
    767,855.88/1,151,951.90 = 235,418.45/x
  3. Step 3: Cross multiply
    767,855.88x = 1,151,951.90 × 235,418.45
  4. Step 4: Simplify right side
    767,855.88x = 271,190,723,835.70
  5. Step 5: Solve for x
    x = 271,190,723,835.70/767,855.88
  6. Step 6: Final answer
    x = 353,179.20

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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.