Home / 442,848.70-663,819.45-217,863.10

Finding the Fourth Proportional to 442,848.70, 663,819.45 and 217,863.10

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Solution

The fourth proportional to 442,848.70, 663,819.45 and 217,863.10 is: 326,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848.70 : 663,819.45 = 217,863.10 : x
  2. Step 2: Convert to fraction form
    442,848.70/663,819.45 = 217,863.10/x
  3. Step 3: Cross multiply
    442,848.70x = 663,819.45 × 217,863.10
  4. Step 4: Simplify right side
    442,848.70x = 144,621,763,217.30
  5. Step 5: Solve for x
    x = 144,621,763,217.30/442,848.70
  6. Step 6: Final answer
    x = 326,571.50

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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.