Home / 873,257.31-1,204,997.58-491,275.89

Finding the Fourth Proportional to 873,257.31, 1,204,997.58 and 491,275.89

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Solution

The fourth proportional to 873,257.31, 1,204,997.58 and 491,275.89 is: 677,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,257.31 : 1,204,997.58 = 491,275.89 : x
  2. Step 2: Convert to fraction form
    873,257.31/1,204,997.58 = 491,275.89/x
  3. Step 3: Cross multiply
    873,257.31x = 1,204,997.58 × 491,275.89
  4. Step 4: Simplify right side
    873,257.31x = 591,986,258,562.35
  5. Step 5: Solve for x
    x = 591,986,258,562.35/873,257.31
  6. Step 6: Final answer
    x = 677,905.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.