Home / 851,266.69-1,174,757.09-469,307.14

Finding the Fourth Proportional to 851,266.69, 1,174,757.09 and 469,307.14

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Solution

The fourth proportional to 851,266.69, 1,174,757.09 and 469,307.14 is: 647,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,266.69 : 1,174,757.09 = 469,307.14 : x
  2. Step 2: Convert to fraction form
    851,266.69/1,174,757.09 = 469,307.14/x
  3. Step 3: Cross multiply
    851,266.69x = 1,174,757.09 × 469,307.14
  4. Step 4: Simplify right side
    851,266.69x = 551,321,887,756.09
  5. Step 5: Solve for x
    x = 551,321,887,756.09/851,266.69
  6. Step 6: Final answer
    x = 647,648.84

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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.