Home / 851,007.90-1,174,398.03-469,035.66

Finding the Fourth Proportional to 851,007.90, 1,174,398.03 and 469,035.66

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Solution

The fourth proportional to 851,007.90, 1,174,398.03 and 469,035.66 is: 647,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,007.90 : 1,174,398.03 = 469,035.66 : x
  2. Step 2: Convert to fraction form
    851,007.90/1,174,398.03 = 469,035.66/x
  3. Step 3: Cross multiply
    851,007.90x = 1,174,398.03 × 469,035.66
  4. Step 4: Simplify right side
    851,007.90x = 550,834,555,103.75
  5. Step 5: Solve for x
    x = 550,834,555,103.75/851,007.90
  6. Step 6: Final answer
    x = 647,273.14

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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.