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Finding the Fourth Proportional to 664,972.94, 997,003.76 and 238,499.64

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Solution

The fourth proportional to 664,972.94, 997,003.76 and 238,499.64 is: 357,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,972.94 : 997,003.76 = 238,499.64 : x
  2. Step 2: Convert to fraction form
    664,972.94/997,003.76 = 238,499.64/x
  3. Step 3: Cross multiply
    664,972.94x = 997,003.76 × 238,499.64
  4. Step 4: Simplify right side
    664,972.94x = 237,785,036,646.15
  5. Step 5: Solve for x
    x = 237,785,036,646.15/664,972.94
  6. Step 6: Final answer
    x = 357,586.03

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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.