Home / 673,151.80-1,008,366.90-419,654.20

Finding the Fourth Proportional to 673,151.80, 1,008,366.90 and 419,654.20

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Solution

The fourth proportional to 673,151.80, 1,008,366.90 and 419,654.20 is: 628,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,151.80 : 1,008,366.90 = 419,654.20 : x
  2. Step 2: Convert to fraction form
    673,151.80/1,008,366.90 = 419,654.20/x
  3. Step 3: Cross multiply
    673,151.80x = 1,008,366.90 × 419,654.20
  4. Step 4: Simplify right side
    673,151.80x = 423,165,404,725.98
  5. Step 5: Solve for x
    x = 423,165,404,725.98/673,151.80
  6. Step 6: Final answer
    x = 628,632.95

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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.