Home / 997,863.30-1,376,660.61-615,225.78

Finding the Fourth Proportional to 997,863.30, 1,376,660.61 and 615,225.78

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Solution

The fourth proportional to 997,863.30, 1,376,660.61 and 615,225.78 is: 848,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,863.30 : 1,376,660.61 = 615,225.78 : x
  2. Step 2: Convert to fraction form
    997,863.30/1,376,660.61 = 615,225.78/x
  3. Step 3: Cross multiply
    997,863.30x = 1,376,660.61 × 615,225.78
  4. Step 4: Simplify right side
    997,863.30x = 846,957,097,582.53
  5. Step 5: Solve for x
    x = 846,957,097,582.53/997,863.30
  6. Step 6: Final answer
    x = 848,770.67

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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.