Home / 851,221.68-1,174,693.77-469,262.13

Finding the Fourth Proportional to 851,221.68, 1,174,693.77 and 469,262.13

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Solution

The fourth proportional to 851,221.68, 1,174,693.77 and 469,262.13 is: 647,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,221.68 : 1,174,693.77 = 469,262.13 : x
  2. Step 2: Convert to fraction form
    851,221.68/1,174,693.77 = 469,262.13/x
  3. Step 3: Cross multiply
    851,221.68x = 1,174,693.77 × 469,262.13
  4. Step 4: Simplify right side
    851,221.68x = 551,239,300,607.93
  5. Step 5: Solve for x
    x = 551,239,300,607.93/851,221.68
  6. Step 6: Final answer
    x = 647,586.07

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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.