Home / 774,842.48-1,069,274.62-443,654.47

Finding the Fourth Proportional to 774,842.48, 1,069,274.62 and 443,654.47

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Solution

The fourth proportional to 774,842.48, 1,069,274.62 and 443,654.47 is: 612,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,842.48 : 1,069,274.62 = 443,654.47 : x
  2. Step 2: Convert to fraction form
    774,842.48/1,069,274.62 = 443,654.47/x
  3. Step 3: Cross multiply
    774,842.48x = 1,069,274.62 × 443,654.47
  4. Step 4: Simplify right side
    774,842.48x = 474,388,464,820.55
  5. Step 5: Solve for x
    x = 474,388,464,820.55/774,842.48
  6. Step 6: Final answer
    x = 612,238.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.