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Finding the Fourth Proportional to 660,060.99, 989,932.89 and 304,733.67

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Solution

The fourth proportional to 660,060.99, 989,932.89 and 304,733.67 is: 457,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,060.99 : 989,932.89 = 304,733.67 : x
  2. Step 2: Convert to fraction form
    660,060.99/989,932.89 = 304,733.67/x
  3. Step 3: Cross multiply
    660,060.99x = 989,932.89 × 304,733.67
  4. Step 4: Simplify right side
    660,060.99x = 301,665,882,623.41
  5. Step 5: Solve for x
    x = 301,665,882,623.41/660,060.99
  6. Step 6: Final answer
    x = 457,027.29

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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.