Home / 757,590.83-1,134,576.13-419,793.65

Finding the Fourth Proportional to 757,590.83, 1,134,576.13 and 419,793.65

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Solution

The fourth proportional to 757,590.83, 1,134,576.13 and 419,793.65 is: 628,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,590.83 : 1,134,576.13 = 419,793.65 : x
  2. Step 2: Convert to fraction form
    757,590.83/1,134,576.13 = 419,793.65/x
  3. Step 3: Cross multiply
    757,590.83x = 1,134,576.13 × 419,793.65
  4. Step 4: Simplify right side
    757,590.83x = 476,287,854,815.57
  5. Step 5: Solve for x
    x = 476,287,854,815.57/757,590.83
  6. Step 6: Final answer
    x = 628,687.46

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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.