Home / 850,534.68-1,275,359.07-401,134.89

Finding the Fourth Proportional to 850,534.68, 1,275,359.07 and 401,134.89

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Solution

The fourth proportional to 850,534.68, 1,275,359.07 and 401,134.89 is: 601,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,534.68 : 1,275,359.07 = 401,134.89 : x
  2. Step 2: Convert to fraction form
    850,534.68/1,275,359.07 = 401,134.89/x
  3. Step 3: Cross multiply
    850,534.68x = 1,275,359.07 × 401,134.89
  4. Step 4: Simplify right side
    850,534.68x = 511,591,020,254.95
  5. Step 5: Solve for x
    x = 511,591,020,254.95/850,534.68
  6. Step 6: Final answer
    x = 601,493.43

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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.