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Finding the Fourth Proportional to 657,050.88, 906,728.52 and 366,659.35

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Solution

The fourth proportional to 657,050.88, 906,728.52 and 366,659.35 is: 505,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,050.88 : 906,728.52 = 366,659.35 : x
  2. Step 2: Convert to fraction form
    657,050.88/906,728.52 = 366,659.35/x
  3. Step 3: Cross multiply
    657,050.88x = 906,728.52 × 366,659.35
  4. Step 4: Simplify right side
    657,050.88x = 332,460,485,669.54
  5. Step 5: Solve for x
    x = 332,460,485,669.54/657,050.88
  6. Step 6: Final answer
    x = 505,988.95

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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.