Home / 840,452.94-1,159,879.92-477,910.56

Finding the Fourth Proportional to 840,452.94, 1,159,879.92 and 477,910.56

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Solution

The fourth proportional to 840,452.94, 1,159,879.92 and 477,910.56 is: 659,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,452.94 : 1,159,879.92 = 477,910.56 : x
  2. Step 2: Convert to fraction form
    840,452.94/1,159,879.92 = 477,910.56/x
  3. Step 3: Cross multiply
    840,452.94x = 1,159,879.92 × 477,910.56
  4. Step 4: Simplify right side
    840,452.94x = 554,318,862,099.96
  5. Step 5: Solve for x
    x = 554,318,862,099.96/840,452.94
  6. Step 6: Final answer
    x = 659,547.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.