Home / 766,012.57-1,148,375.58-333,406.89

Finding the Fourth Proportional to 766,012.57, 1,148,375.58 and 333,406.89

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Solution

The fourth proportional to 766,012.57, 1,148,375.58 and 333,406.89 is: 499,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,012.57 : 1,148,375.58 = 333,406.89 : x
  2. Step 2: Convert to fraction form
    766,012.57/1,148,375.58 = 333,406.89/x
  3. Step 3: Cross multiply
    766,012.57x = 1,148,375.58 × 333,406.89
  4. Step 4: Simplify right side
    766,012.57x = 382,876,330,679.75
  5. Step 5: Solve for x
    x = 382,876,330,679.75/766,012.57
  6. Step 6: Final answer
    x = 499,830.35

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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.