Home / 412,834.60-619,367.10-202,479.40

Finding the Fourth Proportional to 412,834.60, 619,367.10 and 202,479.40

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Solution

The fourth proportional to 412,834.60, 619,367.10 and 202,479.40 is: 303,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,834.60 : 619,367.10 = 202,479.40 : x
  2. Step 2: Convert to fraction form
    412,834.60/619,367.10 = 202,479.40/x
  3. Step 3: Cross multiply
    412,834.60x = 619,367.10 × 202,479.40
  4. Step 4: Simplify right side
    412,834.60x = 125,409,078,787.74
  5. Step 5: Solve for x
    x = 125,409,078,787.74/412,834.60
  6. Step 6: Final answer
    x = 303,775.60

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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.