Home / 667,505.56-1,001,545.08-442,944.40

Finding the Fourth Proportional to 667,505.56, 1,001,545.08 and 442,944.40

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Solution

The fourth proportional to 667,505.56, 1,001,545.08 and 442,944.40 is: 664,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,505.56 : 1,001,545.08 = 442,944.40 : x
  2. Step 2: Convert to fraction form
    667,505.56/1,001,545.08 = 442,944.40/x
  3. Step 3: Cross multiply
    667,505.56x = 1,001,545.08 × 442,944.40
  4. Step 4: Simplify right side
    667,505.56x = 443,628,784,533.55
  5. Step 5: Solve for x
    x = 443,628,784,533.55/667,505.56
  6. Step 6: Final answer
    x = 664,606.88

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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.