Home / 650,581.59-976,205.94-313,909.35

Finding the Fourth Proportional to 650,581.59, 976,205.94 and 313,909.35

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Solution

The fourth proportional to 650,581.59, 976,205.94 and 313,909.35 is: 471,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,581.59 : 976,205.94 = 313,909.35 : x
  2. Step 2: Convert to fraction form
    650,581.59/976,205.94 = 313,909.35/x
  3. Step 3: Cross multiply
    650,581.59x = 976,205.94 × 313,909.35
  4. Step 4: Simplify right side
    650,581.59x = 306,440,172,091.54
  5. Step 5: Solve for x
    x = 306,440,172,091.54/650,581.59
  6. Step 6: Final answer
    x = 471,024.97

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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.