Home / 831,265.69-1,246,511.03-431,799.22

Finding the Fourth Proportional to 831,265.69, 1,246,511.03 and 431,799.22

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Solution

The fourth proportional to 831,265.69, 1,246,511.03 and 431,799.22 is: 647,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,265.69 : 1,246,511.03 = 431,799.22 : x
  2. Step 2: Convert to fraction form
    831,265.69/1,246,511.03 = 431,799.22/x
  3. Step 3: Cross multiply
    831,265.69x = 1,246,511.03 × 431,799.22
  4. Step 4: Simplify right side
    831,265.69x = 538,242,488,316.40
  5. Step 5: Solve for x
    x = 538,242,488,316.40/831,265.69
  6. Step 6: Final answer
    x = 647,497.54

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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.