Home / 765,794.24-1,149,078.87-316,837.29

Finding the Fourth Proportional to 765,794.24, 1,149,078.87 and 316,837.29

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Solution

The fourth proportional to 765,794.24, 1,149,078.87 and 316,837.29 is: 475,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,794.24 : 1,149,078.87 = 316,837.29 : x
  2. Step 2: Convert to fraction form
    765,794.24/1,149,078.87 = 316,837.29/x
  3. Step 3: Cross multiply
    765,794.24x = 1,149,078.87 × 316,837.29
  4. Step 4: Simplify right side
    765,794.24x = 364,071,035,167.06
  5. Step 5: Solve for x
    x = 364,071,035,167.06/765,794.24
  6. Step 6: Final answer
    x = 475,416.27

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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.