Home / 718,797.25-1,078,081.62-238,985.15

Finding the Fourth Proportional to 718,797.25, 1,078,081.62 and 238,985.15

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Solution

The fourth proportional to 718,797.25, 1,078,081.62 and 238,985.15 is: 358,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,797.25 : 1,078,081.62 = 238,985.15 : x
  2. Step 2: Convert to fraction form
    718,797.25/1,078,081.62 = 238,985.15/x
  3. Step 3: Cross multiply
    718,797.25x = 1,078,081.62 × 238,985.15
  4. Step 4: Simplify right side
    718,797.25x = 257,645,491,381.34
  5. Step 5: Solve for x
    x = 257,645,491,381.34/718,797.25
  6. Step 6: Final answer
    x = 358,439.73

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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.