Home / 946,920.30-1,420,579.92-307,174.08

Finding the Fourth Proportional to 946,920.30, 1,420,579.92 and 307,174.08

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Solution

The fourth proportional to 946,920.30, 1,420,579.92 and 307,174.08 is: 460,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,920.30 : 1,420,579.92 = 307,174.08 : x
  2. Step 2: Convert to fraction form
    946,920.30/1,420,579.92 = 307,174.08/x
  3. Step 3: Cross multiply
    946,920.30x = 1,420,579.92 × 307,174.08
  4. Step 4: Simplify right side
    946,920.30x = 436,365,329,992.47
  5. Step 5: Solve for x
    x = 436,365,329,992.47/946,920.30
  6. Step 6: Final answer
    x = 460,825.83

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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.