Home / 674,623.89-1,011,935.84-275,452.65

Finding the Fourth Proportional to 674,623.89, 1,011,935.84 and 275,452.65

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Solution

The fourth proportional to 674,623.89, 1,011,935.84 and 275,452.65 is: 413,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,623.89 : 1,011,935.84 = 275,452.65 : x
  2. Step 2: Convert to fraction form
    674,623.89/1,011,935.84 = 275,452.65/x
  3. Step 3: Cross multiply
    674,623.89x = 1,011,935.84 × 275,452.65
  4. Step 4: Simplify right side
    674,623.89x = 278,740,407,380.71
  5. Step 5: Solve for x
    x = 278,740,407,380.71/674,623.89
  6. Step 6: Final answer
    x = 413,178.98

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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.