Home / 409,487.40-566,982.18-377,994.60

Finding the Fourth Proportional to 409,487.40, 566,982.18 and 377,994.60

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Solution

The fourth proportional to 409,487.40, 566,982.18 and 377,994.60 is: 523,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,487.40 : 566,982.18 = 377,994.60 : x
  2. Step 2: Convert to fraction form
    409,487.40/566,982.18 = 377,994.60/x
  3. Step 3: Cross multiply
    409,487.40x = 566,982.18 × 377,994.60
  4. Step 4: Simplify right side
    409,487.40x = 214,316,202,336.23
  5. Step 5: Solve for x
    x = 214,316,202,336.23/409,487.40
  6. Step 6: Final answer
    x = 523,376.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.