Home / 698,087.57-1,046,162.55-318,079.61

Finding the Fourth Proportional to 698,087.57, 1,046,162.55 and 318,079.61

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Solution

The fourth proportional to 698,087.57, 1,046,162.55 and 318,079.61 is: 476,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,087.57 : 1,046,162.55 = 318,079.61 : x
  2. Step 2: Convert to fraction form
    698,087.57/1,046,162.55 = 318,079.61/x
  3. Step 3: Cross multiply
    698,087.57x = 1,046,162.55 × 318,079.61
  4. Step 4: Simplify right side
    698,087.57x = 332,762,975,785.70
  5. Step 5: Solve for x
    x = 332,762,975,785.70/698,087.57
  6. Step 6: Final answer
    x = 476,677.99

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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.