Home / 376,629.40-564,944.10-345,136.60

Finding the Fourth Proportional to 376,629.40, 564,944.10 and 345,136.60

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Solution

The fourth proportional to 376,629.40, 564,944.10 and 345,136.60 is: 517,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,629.40 : 564,944.10 = 345,136.60 : x
  2. Step 2: Convert to fraction form
    376,629.40/564,944.10 = 345,136.60/x
  3. Step 3: Cross multiply
    376,629.40x = 564,944.10 × 345,136.60
  4. Step 4: Simplify right side
    376,629.40x = 194,982,885,864.06
  5. Step 5: Solve for x
    x = 194,982,885,864.06/376,629.40
  6. Step 6: Final answer
    x = 517,704.90

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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.