Home / 691,258.56-1,036,853.28-270,611.52

Finding the Fourth Proportional to 691,258.56, 1,036,853.28 and 270,611.52

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Solution

The fourth proportional to 691,258.56, 1,036,853.28 and 270,611.52 is: 405,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258.56 : 1,036,853.28 = 270,611.52 : x
  2. Step 2: Convert to fraction form
    691,258.56/1,036,853.28 = 270,611.52/x
  3. Step 3: Cross multiply
    691,258.56x = 1,036,853.28 × 270,611.52
  4. Step 4: Simplify right side
    691,258.56x = 280,584,442,117.79
  5. Step 5: Solve for x
    x = 280,584,442,117.79/691,258.56
  6. Step 6: Final answer
    x = 405,903.75

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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.