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Finding the Fourth Proportional to 657,054.97, 906,734.60 and 370,574.17

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Solution

The fourth proportional to 657,054.97, 906,734.60 and 370,574.17 is: 511,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,054.97 : 906,734.60 = 370,574.17 : x
  2. Step 2: Convert to fraction form
    657,054.97/906,734.60 = 370,574.17/x
  3. Step 3: Cross multiply
    657,054.97x = 906,734.60 × 370,574.17
  4. Step 4: Simplify right side
    657,054.97x = 336,012,419,952.41
  5. Step 5: Solve for x
    x = 336,012,419,952.41/657,054.97
  6. Step 6: Final answer
    x = 511,391.64

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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.