Home / 659,734.96-910,434.36-373,249.12

Finding the Fourth Proportional to 659,734.96, 910,434.36 and 373,249.12

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Solution

The fourth proportional to 659,734.96, 910,434.36 and 373,249.12 is: 515,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,734.96 : 910,434.36 = 373,249.12 : x
  2. Step 2: Convert to fraction form
    659,734.96/910,434.36 = 373,249.12/x
  3. Step 3: Cross multiply
    659,734.96x = 910,434.36 × 373,249.12
  4. Step 4: Simplify right side
    659,734.96x = 339,818,823,687.76
  5. Step 5: Solve for x
    x = 339,818,823,687.76/659,734.96
  6. Step 6: Final answer
    x = 515,083.85

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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.