Home / 740,996.19-1,022,561.48-418,699.38

Finding the Fourth Proportional to 740,996.19, 1,022,561.48 and 418,699.38

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Solution

The fourth proportional to 740,996.19, 1,022,561.48 and 418,699.38 is: 577,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,996.19 : 1,022,561.48 = 418,699.38 : x
  2. Step 2: Convert to fraction form
    740,996.19/1,022,561.48 = 418,699.38/x
  3. Step 3: Cross multiply
    740,996.19x = 1,022,561.48 × 418,699.38
  4. Step 4: Simplify right side
    740,996.19x = 428,145,857,687.88
  5. Step 5: Solve for x
    x = 428,145,857,687.88/740,996.19
  6. Step 6: Final answer
    x = 577,797.65

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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.