Home / 657,270.41-907,041.99-370,789.61

Finding the Fourth Proportional to 657,270.41, 907,041.99 and 370,789.61

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Solution

The fourth proportional to 657,270.41, 907,041.99 and 370,789.61 is: 511,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,270.41 : 907,041.99 = 370,789.61 : x
  2. Step 2: Convert to fraction form
    657,270.41/907,041.99 = 370,789.61/x
  3. Step 3: Cross multiply
    657,270.41x = 907,041.99 × 370,789.61
  4. Step 4: Simplify right side
    657,270.41x = 336,321,743,871.78
  5. Step 5: Solve for x
    x = 336,321,743,871.78/657,270.41
  6. Step 6: Final answer
    x = 511,694.64

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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.