Home / 876,449.78-1,314,820.02-307,683.26

Finding the Fourth Proportional to 876,449.78, 1,314,820.02 and 307,683.26

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Solution

The fourth proportional to 876,449.78, 1,314,820.02 and 307,683.26 is: 461,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,449.78 : 1,314,820.02 = 307,683.26 : x
  2. Step 2: Convert to fraction form
    876,449.78/1,314,820.02 = 307,683.26/x
  3. Step 3: Cross multiply
    876,449.78x = 1,314,820.02 × 307,683.26
  4. Step 4: Simplify right side
    876,449.78x = 404,548,110,066.87
  5. Step 5: Solve for x
    x = 404,548,110,066.87/876,449.78
  6. Step 6: Final answer
    x = 461,575.92

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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.