Home / 677,984.48-1,016,947.55-204,655.71

Finding the Fourth Proportional to 677,984.48, 1,016,947.55 and 204,655.71

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Solution

The fourth proportional to 677,984.48, 1,016,947.55 and 204,655.71 is: 306,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,984.48 : 1,016,947.55 = 204,655.71 : x
  2. Step 2: Convert to fraction form
    677,984.48/1,016,947.55 = 204,655.71/x
  3. Step 3: Cross multiply
    677,984.48x = 1,016,947.55 × 204,655.71
  4. Step 4: Simplify right side
    677,984.48x = 208,124,127,203.20
  5. Step 5: Solve for x
    x = 208,124,127,203.20/677,984.48
  6. Step 6: Final answer
    x = 306,974.77

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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.