Home / 555,757.20-766,945.67-301,108.19

Finding the Fourth Proportional to 555,757.20, 766,945.67 and 301,108.19

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Solution

The fourth proportional to 555,757.20, 766,945.67 and 301,108.19 is: 415,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,757.20 : 766,945.67 = 301,108.19 : x
  2. Step 2: Convert to fraction form
    555,757.20/766,945.67 = 301,108.19/x
  3. Step 3: Cross multiply
    555,757.20x = 766,945.67 × 301,108.19
  4. Step 4: Simplify right side
    555,757.20x = 230,933,617,181.77
  5. Step 5: Solve for x
    x = 230,933,617,181.77/555,757.20
  6. Step 6: Final answer
    x = 415,529.69

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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.