Home / 863,464.10-1,293,446.55-489,049.70

Finding the Fourth Proportional to 863,464.10, 1,293,446.55 and 489,049.70

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Solution

The fourth proportional to 863,464.10, 1,293,446.55 and 489,049.70 is: 732,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,464.10 : 1,293,446.55 = 489,049.70 : x
  2. Step 2: Convert to fraction form
    863,464.10/1,293,446.55 = 489,049.70/x
  3. Step 3: Cross multiply
    863,464.10x = 1,293,446.55 × 489,049.70
  4. Step 4: Simplify right side
    863,464.10x = 632,559,647,243.54
  5. Step 5: Solve for x
    x = 632,559,647,243.54/863,464.10
  6. Step 6: Final answer
    x = 732,583.61

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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.