Home / 672,934.72-1,009,246.44-199,505.92

Finding the Fourth Proportional to 672,934.72, 1,009,246.44 and 199,505.92

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Solution

The fourth proportional to 672,934.72, 1,009,246.44 and 199,505.92 is: 299,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,934.72 : 1,009,246.44 = 199,505.92 : x
  2. Step 2: Convert to fraction form
    672,934.72/1,009,246.44 = 199,505.92/x
  3. Step 3: Cross multiply
    672,934.72x = 1,009,246.44 × 199,505.92
  4. Step 4: Simplify right side
    672,934.72x = 201,350,639,518.93
  5. Step 5: Solve for x
    x = 201,350,639,518.93/672,934.72
  6. Step 6: Final answer
    x = 299,212.74

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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.