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Finding the Fourth Proportional to 559,301.76, 771,845.44 and 304,653.12

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Solution

The fourth proportional to 559,301.76, 771,845.44 and 304,653.12 is: 420,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,301.76 : 771,845.44 = 304,653.12 : x
  2. Step 2: Convert to fraction form
    559,301.76/771,845.44 = 304,653.12/x
  3. Step 3: Cross multiply
    559,301.76x = 771,845.44 × 304,653.12
  4. Step 4: Simplify right side
    559,301.76x = 235,145,121,453.77
  5. Step 5: Solve for x
    x = 235,145,121,453.77/559,301.76
  6. Step 6: Final answer
    x = 420,426.21

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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.