Home / 851,087.48-1,174,486.72-469,149.80

Finding the Fourth Proportional to 851,087.48, 1,174,486.72 and 469,149.80

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Solution

The fourth proportional to 851,087.48, 1,174,486.72 and 469,149.80 is: 647,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,087.48 : 1,174,486.72 = 469,149.80 : x
  2. Step 2: Convert to fraction form
    851,087.48/1,174,486.72 = 469,149.80/x
  3. Step 3: Cross multiply
    851,087.48x = 1,174,486.72 × 469,149.80
  4. Step 4: Simplify right side
    851,087.48x = 551,010,209,790.66
  5. Step 5: Solve for x
    x = 551,010,209,790.66/851,087.48
  6. Step 6: Final answer
    x = 647,419.01

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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.