Home / 863,712.20-1,295,521.55-264,675.08

Finding the Fourth Proportional to 863,712.20, 1,295,521.55 and 264,675.08

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Solution

The fourth proportional to 863,712.20, 1,295,521.55 and 264,675.08 is: 396,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,712.20 : 1,295,521.55 = 264,675.08 : x
  2. Step 2: Convert to fraction form
    863,712.20/1,295,521.55 = 264,675.08/x
  3. Step 3: Cross multiply
    863,712.20x = 1,295,521.55 × 264,675.08
  4. Step 4: Simplify right side
    863,712.20x = 342,892,262,086.99
  5. Step 5: Solve for x
    x = 342,892,262,086.99/863,712.20
  6. Step 6: Final answer
    x = 396,998.29

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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.