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Finding the Fourth Proportional to 657,133.95, 906,855.29 and 370,659.73

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Solution

The fourth proportional to 657,133.95, 906,855.29 and 370,659.73 is: 511,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,133.95 : 906,855.29 = 370,659.73 : x
  2. Step 2: Convert to fraction form
    657,133.95/906,855.29 = 370,659.73/x
  3. Step 3: Cross multiply
    657,133.95x = 906,855.29 × 370,659.73
  4. Step 4: Simplify right side
    657,133.95x = 336,134,735,599.98
  5. Step 5: Solve for x
    x = 336,134,735,599.98/657,133.95
  6. Step 6: Final answer
    x = 511,516.31

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1.5x scale

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.