Home / 851,236.83-1,174,699.08-469,263.60

Finding the Fourth Proportional to 851,236.83, 1,174,699.08 and 469,263.60

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Solution

The fourth proportional to 851,236.83, 1,174,699.08 and 469,263.60 is: 647,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,236.83 : 1,174,699.08 = 469,263.60 : x
  2. Step 2: Convert to fraction form
    851,236.83/1,174,699.08 = 469,263.60/x
  3. Step 3: Cross multiply
    851,236.83x = 1,174,699.08 × 469,263.60
  4. Step 4: Simplify right side
    851,236.83x = 551,243,519,197.49
  5. Step 5: Solve for x
    x = 551,243,519,197.49/851,236.83
  6. Step 6: Final answer
    x = 647,579.50

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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.