Home / 850,537.91-1,275,363.88-401,138.12

Finding the Fourth Proportional to 850,537.91, 1,275,363.88 and 401,138.12

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Solution

The fourth proportional to 850,537.91, 1,275,363.88 and 401,138.12 is: 601,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,537.91 : 1,275,363.88 = 401,138.12 : x
  2. Step 2: Convert to fraction form
    850,537.91/1,275,363.88 = 401,138.12/x
  3. Step 3: Cross multiply
    850,537.91x = 1,275,363.88 × 401,138.12
  4. Step 4: Simplify right side
    850,537.91x = 511,597,060,756.60
  5. Step 5: Solve for x
    x = 511,597,060,756.60/850,537.91
  6. Step 6: Final answer
    x = 601,498.25

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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.