Home / 688,998.38-951,083.66-459,472.73

Finding the Fourth Proportional to 688,998.38, 951,083.66 and 459,472.73

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Solution

The fourth proportional to 688,998.38, 951,083.66 and 459,472.73 is: 634,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,998.38 : 951,083.66 = 459,472.73 : x
  2. Step 2: Convert to fraction form
    688,998.38/951,083.66 = 459,472.73/x
  3. Step 3: Cross multiply
    688,998.38x = 951,083.66 × 459,472.73
  4. Step 4: Simplify right side
    688,998.38x = 436,997,003,421.23
  5. Step 5: Solve for x
    x = 436,997,003,421.23/688,998.38
  6. Step 6: Final answer
    x = 634,249.68

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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.