Home / 851,285.36-1,276,066.20-551,955.44

Finding the Fourth Proportional to 851,285.36, 1,276,066.20 and 551,955.44

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Solution

The fourth proportional to 851,285.36, 1,276,066.20 and 551,955.44 is: 827,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,285.36 : 1,276,066.20 = 551,955.44 : x
  2. Step 2: Convert to fraction form
    851,285.36/1,276,066.20 = 551,955.44/x
  3. Step 3: Cross multiply
    851,285.36x = 1,276,066.20 × 551,955.44
  4. Step 4: Simplify right side
    851,285.36x = 704,331,680,890.13
  5. Step 5: Solve for x
    x = 704,331,680,890.13/851,285.36
  6. Step 6: Final answer
    x = 827,374.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.