Home / 857,090.20-1,182,797.83-469,940.97

Finding the Fourth Proportional to 857,090.20, 1,182,797.83 and 469,940.97

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Solution

The fourth proportional to 857,090.20, 1,182,797.83 and 469,940.97 is: 648,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,090.20 : 1,182,797.83 = 469,940.97 : x
  2. Step 2: Convert to fraction form
    857,090.20/1,182,797.83 = 469,940.97/x
  3. Step 3: Cross multiply
    857,090.20x = 1,182,797.83 × 469,940.97
  4. Step 4: Simplify right side
    857,090.20x = 555,845,153,926.28
  5. Step 5: Solve for x
    x = 555,845,153,926.28/857,090.20
  6. Step 6: Final answer
    x = 648,525.86

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1.5x scale

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.