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Finding the Fourth Proportional to 671,998.40, 951,998.24 and 671,998.40

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Solution

The fourth proportional to 671,998.40, 951,998.24 and 671,998.40 is: 951,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,998.40 : 951,998.24 = 671,998.40 : x
  2. Step 2: Convert to fraction form
    671,998.40/951,998.24 = 671,998.40/x
  3. Step 3: Cross multiply
    671,998.40x = 951,998.24 × 671,998.40
  4. Step 4: Simplify right side
    671,998.40x = 639,741,294,082.82
  5. Step 5: Solve for x
    x = 639,741,294,082.82/671,998.40
  6. Step 6: Final answer
    x = 951,998.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.