Home / 443,914.20-665,170.02-360,399.96

Finding the Fourth Proportional to 443,914.20, 665,170.02 and 360,399.96

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Solution

The fourth proportional to 443,914.20, 665,170.02 and 360,399.96 is: 540,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,914.20 : 665,170.02 = 360,399.96 : x
  2. Step 2: Convert to fraction form
    443,914.20/665,170.02 = 360,399.96/x
  3. Step 3: Cross multiply
    443,914.20x = 665,170.02 × 360,399.96
  4. Step 4: Simplify right side
    443,914.20x = 239,727,248,601.20
  5. Step 5: Solve for x
    x = 239,727,248,601.20/443,914.20
  6. Step 6: Final answer
    x = 540,030.59

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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.