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Finding the Fourth Proportional to 657,083.16, 906,772.32 and 370,601.46

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Solution

The fourth proportional to 657,083.16, 906,772.32 and 370,601.46 is: 511,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,083.16 : 906,772.32 = 370,601.46 : x
  2. Step 2: Convert to fraction form
    657,083.16/906,772.32 = 370,601.46/x
  3. Step 3: Cross multiply
    657,083.16x = 906,772.32 × 370,601.46
  4. Step 4: Simplify right side
    657,083.16x = 336,051,145,679.59
  5. Step 5: Solve for x
    x = 336,051,145,679.59/657,083.16
  6. Step 6: Final answer
    x = 511,428.64

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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.