Home / 874,458.47-1,311,563.16-275,404.07

Finding the Fourth Proportional to 874,458.47, 1,311,563.16 and 275,404.07

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Solution

The fourth proportional to 874,458.47, 1,311,563.16 and 275,404.07 is: 413,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,458.47 : 1,311,563.16 = 275,404.07 : x
  2. Step 2: Convert to fraction form
    874,458.47/1,311,563.16 = 275,404.07/x
  3. Step 3: Cross multiply
    874,458.47x = 1,311,563.16 × 275,404.07
  4. Step 4: Simplify right side
    874,458.47x = 361,209,825,768.25
  5. Step 5: Solve for x
    x = 361,209,825,768.25/874,458.47
  6. Step 6: Final answer
    x = 413,066.88

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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.