Home / 644,426.00-889,190.61-372,394.18

Finding the Fourth Proportional to 644,426.00, 889,190.61 and 372,394.18

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Solution

The fourth proportional to 644,426.00, 889,190.61 and 372,394.18 is: 513,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,426.00 : 889,190.61 = 372,394.18 : x
  2. Step 2: Convert to fraction form
    644,426.00/889,190.61 = 372,394.18/x
  3. Step 3: Cross multiply
    644,426.00x = 889,190.61 × 372,394.18
  4. Step 4: Simplify right side
    644,426.00x = 331,129,403,628.70
  5. Step 5: Solve for x
    x = 331,129,403,628.70/644,426.00
  6. Step 6: Final answer
    x = 513,836.20

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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.