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Finding the Fourth Proportional to 607,959.78, 911,202.29 and 446,538.96

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Solution

The fourth proportional to 607,959.78, 911,202.29 and 446,538.96 is: 669,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,959.78 : 911,202.29 = 446,538.96 : x
  2. Step 2: Convert to fraction form
    607,959.78/911,202.29 = 446,538.96/x
  3. Step 3: Cross multiply
    607,959.78x = 911,202.29 × 446,538.96
  4. Step 4: Simplify right side
    607,959.78x = 406,887,320,693.52
  5. Step 5: Solve for x
    x = 406,887,320,693.52/607,959.78
  6. Step 6: Final answer
    x = 669,266.84

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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.