Home / 678,514.24-1,016,221.22-323,777.38

Finding the Fourth Proportional to 678,514.24, 1,016,221.22 and 323,777.38

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Solution

The fourth proportional to 678,514.24, 1,016,221.22 and 323,777.38 is: 484,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,514.24 : 1,016,221.22 = 323,777.38 : x
  2. Step 2: Convert to fraction form
    678,514.24/1,016,221.22 = 323,777.38/x
  3. Step 3: Cross multiply
    678,514.24x = 1,016,221.22 × 323,777.38
  4. Step 4: Simplify right side
    678,514.24x = 329,029,439,303.40
  5. Step 5: Solve for x
    x = 329,029,439,303.40/678,514.24
  6. Step 6: Final answer
    x = 484,926.36

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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.