Home / 677,809.80-1,016,714.70-204,433.65

Finding the Fourth Proportional to 677,809.80, 1,016,714.70 and 204,433.65

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Solution

The fourth proportional to 677,809.80, 1,016,714.70 and 204,433.65 is: 306,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,809.80 : 1,016,714.70 = 204,433.65 : x
  2. Step 2: Convert to fraction form
    677,809.80/1,016,714.70 = 204,433.65/x
  3. Step 3: Cross multiply
    677,809.80x = 1,016,714.70 × 204,433.65
  4. Step 4: Simplify right side
    677,809.80x = 207,850,697,129.66
  5. Step 5: Solve for x
    x = 207,850,697,129.66/677,809.80
  6. Step 6: Final answer
    x = 306,650.48

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Double scale
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Similar ratio
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1.5x scale

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.