Home / 677,780.56-1,016,678.14-204,470.02

Finding the Fourth Proportional to 677,780.56, 1,016,678.14 and 204,470.02

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Solution

The fourth proportional to 677,780.56, 1,016,678.14 and 204,470.02 is: 306,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,780.56 : 1,016,678.14 = 204,470.02 : x
  2. Step 2: Convert to fraction form
    677,780.56/1,016,678.14 = 204,470.02/x
  3. Step 3: Cross multiply
    677,780.56x = 1,016,678.14 × 204,470.02
  4. Step 4: Simplify right side
    677,780.56x = 207,880,199,619.36
  5. Step 5: Solve for x
    x = 207,880,199,619.36/677,780.56
  6. Step 6: Final answer
    x = 306,707.23

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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.