Home / 555,205.92-766,186.61-300,557.10

Finding the Fourth Proportional to 555,205.92, 766,186.61 and 300,557.10

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Solution

The fourth proportional to 555,205.92, 766,186.61 and 300,557.10 is: 414,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,205.92 : 766,186.61 = 300,557.10 : x
  2. Step 2: Convert to fraction form
    555,205.92/766,186.61 = 300,557.10/x
  3. Step 3: Cross multiply
    555,205.92x = 766,186.61 × 300,557.10
  4. Step 4: Simplify right side
    555,205.92x = 230,282,825,560.43
  5. Step 5: Solve for x
    x = 230,282,825,560.43/555,205.92
  6. Step 6: Final answer
    x = 414,770.12

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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.