Home / 444,790.20-665,630.10-407,465.40

Finding the Fourth Proportional to 444,790.20, 665,630.10 and 407,465.40

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Solution

The fourth proportional to 444,790.20, 665,630.10 and 407,465.40 is: 609,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,790.20 : 665,630.10 = 407,465.40 : x
  2. Step 2: Convert to fraction form
    444,790.20/665,630.10 = 407,465.40/x
  3. Step 3: Cross multiply
    444,790.20x = 665,630.10 × 407,465.40
  4. Step 4: Simplify right side
    444,790.20x = 271,221,234,948.54
  5. Step 5: Solve for x
    x = 271,221,234,948.54/444,790.20
  6. Step 6: Final answer
    x = 609,773.41

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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.