Home / 485,566.35-670,504.66-304,589.36

Finding the Fourth Proportional to 485,566.35, 670,504.66 and 304,589.36

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Solution

The fourth proportional to 485,566.35, 670,504.66 and 304,589.36 is: 420,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,566.35 : 670,504.66 = 304,589.36 : x
  2. Step 2: Convert to fraction form
    485,566.35/670,504.66 = 304,589.36/x
  3. Step 3: Cross multiply
    485,566.35x = 670,504.66 × 304,589.36
  4. Step 4: Simplify right side
    485,566.35x = 204,228,587,037.86
  5. Step 5: Solve for x
    x = 204,228,587,037.86/485,566.35
  6. Step 6: Final answer
    x = 420,598.73

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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.