Home / 851,242.80-1,174,722.94-469,283.26

Finding the Fourth Proportional to 851,242.80, 1,174,722.94 and 469,283.26

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Solution

The fourth proportional to 851,242.80, 1,174,722.94 and 469,283.26 is: 647,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,242.80 : 1,174,722.94 = 469,283.26 : x
  2. Step 2: Convert to fraction form
    851,242.80/1,174,722.94 = 469,283.26/x
  3. Step 3: Cross multiply
    851,242.80x = 1,174,722.94 × 469,283.26
  4. Step 4: Simplify right side
    851,242.80x = 551,277,810,879.98
  5. Step 5: Solve for x
    x = 551,277,810,879.98/851,242.80
  6. Step 6: Final answer
    x = 647,615.24

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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.