Home / 674,183.60-1,009,963.20-407,150.90

Finding the Fourth Proportional to 674,183.60, 1,009,963.20 and 407,150.90

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Solution

The fourth proportional to 674,183.60, 1,009,963.20 and 407,150.90 is: 609,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,183.60 : 1,009,963.20 = 407,150.90 : x
  2. Step 2: Convert to fraction form
    674,183.60/1,009,963.20 = 407,150.90/x
  3. Step 3: Cross multiply
    674,183.60x = 1,009,963.20 × 407,150.90
  4. Step 4: Simplify right side
    674,183.60x = 411,207,425,846.88
  5. Step 5: Solve for x
    x = 411,207,425,846.88/674,183.60
  6. Step 6: Final answer
    x = 609,933.89

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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.