Home / 876,397.44-1,314,741.45-307,630.95

Finding the Fourth Proportional to 876,397.44, 1,314,741.45 and 307,630.95

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Solution

The fourth proportional to 876,397.44, 1,314,741.45 and 307,630.95 is: 461,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,397.44 : 1,314,741.45 = 307,630.95 : x
  2. Step 2: Convert to fraction form
    876,397.44/1,314,741.45 = 307,630.95/x
  3. Step 3: Cross multiply
    876,397.44x = 1,314,741.45 × 307,630.95
  4. Step 4: Simplify right side
    876,397.44x = 404,455,161,267.88
  5. Step 5: Solve for x
    x = 404,455,161,267.88/876,397.44
  6. Step 6: Final answer
    x = 461,497.42

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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.