Home / 721,898.55-1,083,912.32-402,674.13

Finding the Fourth Proportional to 721,898.55, 1,083,912.32 and 402,674.13

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Solution

The fourth proportional to 721,898.55, 1,083,912.32 and 402,674.13 is: 604,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,898.55 : 1,083,912.32 = 402,674.13 : x
  2. Step 2: Convert to fraction form
    721,898.55/1,083,912.32 = 402,674.13/x
  3. Step 3: Cross multiply
    721,898.55x = 1,083,912.32 × 402,674.13
  4. Step 4: Simplify right side
    721,898.55x = 436,463,451,458.97
  5. Step 5: Solve for x
    x = 436,463,451,458.97/721,898.55
  6. Step 6: Final answer
    x = 604,604.97

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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.