Home / 874,077.85-1,310,992.21-275,023.45

Finding the Fourth Proportional to 874,077.85, 1,310,992.21 and 275,023.45

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Solution

The fourth proportional to 874,077.85, 1,310,992.21 and 275,023.45 is: 412,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,077.85 : 1,310,992.21 = 275,023.45 : x
  2. Step 2: Convert to fraction form
    874,077.85/1,310,992.21 = 275,023.45/x
  3. Step 3: Cross multiply
    874,077.85x = 1,310,992.21 × 275,023.45
  4. Step 4: Simplify right side
    874,077.85x = 360,553,600,517.33
  5. Step 5: Solve for x
    x = 360,553,600,517.33/874,077.85
  6. Step 6: Final answer
    x = 412,495.98

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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.