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Finding the Fourth Proportional to 449,652.95, 674,946.59 and 300,932.49

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Solution

The fourth proportional to 449,652.95, 674,946.59 and 300,932.49 is: 451,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,652.95 : 674,946.59 = 300,932.49 : x
  2. Step 2: Convert to fraction form
    449,652.95/674,946.59 = 300,932.49/x
  3. Step 3: Cross multiply
    449,652.95x = 674,946.59 × 300,932.49
  4. Step 4: Simplify right side
    449,652.95x = 203,113,357,945.71
  5. Step 5: Solve for x
    x = 203,113,357,945.71/449,652.95
  6. Step 6: Final answer
    x = 451,711.39

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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.