Home / 777,440.10-1,166,219.20-264,945.97

Finding the Fourth Proportional to 777,440.10, 1,166,219.20 and 264,945.97

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Solution

The fourth proportional to 777,440.10, 1,166,219.20 and 264,945.97 is: 397,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,440.10 : 1,166,219.20 = 264,945.97 : x
  2. Step 2: Convert to fraction form
    777,440.10/1,166,219.20 = 264,945.97/x
  3. Step 3: Cross multiply
    777,440.10x = 1,166,219.20 × 264,945.97
  4. Step 4: Simplify right side
    777,440.10x = 308,985,071,345.53
  5. Step 5: Solve for x
    x = 308,985,071,345.53/777,440.10
  6. Step 6: Final answer
    x = 397,439.07

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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.