Home / 718,799.25-1,078,084.62-238,987.15

Finding the Fourth Proportional to 718,799.25, 1,078,084.62 and 238,987.15

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Solution

The fourth proportional to 718,799.25, 1,078,084.62 and 238,987.15 is: 358,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,799.25 : 1,078,084.62 = 238,987.15 : x
  2. Step 2: Convert to fraction form
    718,799.25/1,078,084.62 = 238,987.15/x
  3. Step 3: Cross multiply
    718,799.25x = 1,078,084.62 × 238,987.15
  4. Step 4: Simplify right side
    718,799.25x = 257,648,370,792.63
  5. Step 5: Solve for x
    x = 257,648,370,792.63/718,799.25
  6. Step 6: Final answer
    x = 358,442.74

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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.