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Finding the Fourth Proportional to 657,297.94, 907,112.64 and 370,713.46

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Solution

The fourth proportional to 657,297.94, 907,112.64 and 370,713.46 is: 511,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,297.94 : 907,112.64 = 370,713.46 : x
  2. Step 2: Convert to fraction form
    657,297.94/907,112.64 = 370,713.46/x
  3. Step 3: Cross multiply
    657,297.94x = 907,112.64 × 370,713.46
  4. Step 4: Simplify right side
    657,297.94x = 336,278,865,384.13
  5. Step 5: Solve for x
    x = 336,278,865,384.13/657,297.94
  6. Step 6: Final answer
    x = 511,607.97

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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.