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Finding the Fourth Proportional to 580,337.55, 799,548.44 and 449,063.87

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Solution

The fourth proportional to 580,337.55, 799,548.44 and 449,063.87 is: 618,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,337.55 : 799,548.44 = 449,063.87 : x
  2. Step 2: Convert to fraction form
    580,337.55/799,548.44 = 449,063.87/x
  3. Step 3: Cross multiply
    580,337.55x = 799,548.44 × 449,063.87
  4. Step 4: Simplify right side
    580,337.55x = 359,048,310,475.80
  5. Step 5: Solve for x
    x = 359,048,310,475.80/580,337.55
  6. Step 6: Final answer
    x = 618,688.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.