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Finding the Fourth Proportional to 657,965.15, 987,041.85 and 202,594.89

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Solution

The fourth proportional to 657,965.15, 987,041.85 and 202,594.89 is: 303,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,965.15 : 987,041.85 = 202,594.89 : x
  2. Step 2: Convert to fraction form
    657,965.15/987,041.85 = 202,594.89/x
  3. Step 3: Cross multiply
    657,965.15x = 987,041.85 × 202,594.89
  4. Step 4: Simplify right side
    657,965.15x = 199,969,635,026.15
  5. Step 5: Solve for x
    x = 199,969,635,026.15/657,965.15
  6. Step 6: Final answer
    x = 303,921.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.