Home / 851,228.91-1,174,704.03-469,269.36

Finding the Fourth Proportional to 851,228.91, 1,174,704.03 and 469,269.36

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Solution

The fourth proportional to 851,228.91, 1,174,704.03 and 469,269.36 is: 647,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,228.91 : 1,174,704.03 = 469,269.36 : x
  2. Step 2: Convert to fraction form
    851,228.91/1,174,704.03 = 469,269.36/x
  3. Step 3: Cross multiply
    851,228.91x = 1,174,704.03 × 469,269.36
  4. Step 4: Simplify right side
    851,228.91x = 551,252,608,347.52
  5. Step 5: Solve for x
    x = 551,252,608,347.52/851,228.91
  6. Step 6: Final answer
    x = 647,596.20

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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.