Home / 441,628.20-662,442.30-220,444.20

Finding the Fourth Proportional to 441,628.20, 662,442.30 and 220,444.20

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Solution

The fourth proportional to 441,628.20, 662,442.30 and 220,444.20 is: 330,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,628.20 : 662,442.30 = 220,444.20 : x
  2. Step 2: Convert to fraction form
    441,628.20/662,442.30 = 220,444.20/x
  3. Step 3: Cross multiply
    441,628.20x = 662,442.30 × 220,444.20
  4. Step 4: Simplify right side
    441,628.20x = 146,031,562,869.66
  5. Step 5: Solve for x
    x = 146,031,562,869.66/441,628.20
  6. Step 6: Final answer
    x = 330,666.30

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Similar ratio
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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.