Home / 985,898.85-1,478,832.90-505,849.62

Finding the Fourth Proportional to 985,898.85, 1,478,832.90 and 505,849.62

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Solution

The fourth proportional to 985,898.85, 1,478,832.90 and 505,849.62 is: 758,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,898.85 : 1,478,832.90 = 505,849.62 : x
  2. Step 2: Convert to fraction form
    985,898.85/1,478,832.90 = 505,849.62/x
  3. Step 3: Cross multiply
    985,898.85x = 1,478,832.90 × 505,849.62
  4. Step 4: Simplify right side
    985,898.85x = 748,067,060,508.50
  5. Step 5: Solve for x
    x = 748,067,060,508.50/985,898.85
  6. Step 6: Final answer
    x = 758,766.54

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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.