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Finding the Fourth Proportional to 559,411.85, 771,785.84 and 365,930.01

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Solution

The fourth proportional to 559,411.85, 771,785.84 and 365,930.01 is: 504,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,411.85 : 771,785.84 = 365,930.01 : x
  2. Step 2: Convert to fraction form
    559,411.85/771,785.84 = 365,930.01/x
  3. Step 3: Cross multiply
    559,411.85x = 771,785.84 × 365,930.01
  4. Step 4: Simplify right side
    559,411.85x = 282,419,598,319.41
  5. Step 5: Solve for x
    x = 282,419,598,319.41/559,411.85
  6. Step 6: Final answer
    x = 504,850.94

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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.