Home / 698,087.82-1,046,162.92-318,079.86

Finding the Fourth Proportional to 698,087.82, 1,046,162.92 and 318,079.86

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Solution

The fourth proportional to 698,087.82, 1,046,162.92 and 318,079.86 is: 476,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,087.82 : 1,046,162.92 = 318,079.86 : x
  2. Step 2: Convert to fraction form
    698,087.82/1,046,162.92 = 318,079.86/x
  3. Step 3: Cross multiply
    698,087.82x = 1,046,162.92 × 318,079.86
  4. Step 4: Simplify right side
    698,087.82x = 332,763,355,130.79
  5. Step 5: Solve for x
    x = 332,763,355,130.79/698,087.82
  6. Step 6: Final answer
    x = 476,678.36

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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.