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Finding the Fourth Proportional to 478,231.02, 717,417.54 and 298,169.82

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Solution

The fourth proportional to 478,231.02, 717,417.54 and 298,169.82 is: 447,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,231.02 : 717,417.54 = 298,169.82 : x
  2. Step 2: Convert to fraction form
    478,231.02/717,417.54 = 298,169.82/x
  3. Step 3: Cross multiply
    478,231.02x = 717,417.54 × 298,169.82
  4. Step 4: Simplify right side
    478,231.02x = 213,912,258,766.64
  5. Step 5: Solve for x
    x = 213,912,258,766.64/478,231.02
  6. Step 6: Final answer
    x = 447,299.00

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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.