Home / 678,516.24-1,016,224.21-323,779.38

Finding the Fourth Proportional to 678,516.24, 1,016,224.21 and 323,779.38

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Solution

The fourth proportional to 678,516.24, 1,016,224.21 and 323,779.38 is: 484,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,516.24 : 1,016,224.21 = 323,779.38 : x
  2. Step 2: Convert to fraction form
    678,516.24/1,016,224.21 = 323,779.38/x
  3. Step 3: Cross multiply
    678,516.24x = 1,016,224.21 × 323,779.38
  4. Step 4: Simplify right side
    678,516.24x = 329,032,444,654.79
  5. Step 5: Solve for x
    x = 329,032,444,654.79/678,516.24
  6. Step 6: Final answer
    x = 484,929.36

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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.