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Finding the Fourth Proportional to 559,204.30, 771,710.72 and 304,555.29

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Solution

The fourth proportional to 559,204.30, 771,710.72 and 304,555.29 is: 420,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,204.30 : 771,710.72 = 304,555.29 : x
  2. Step 2: Convert to fraction form
    559,204.30/771,710.72 = 304,555.29/x
  3. Step 3: Cross multiply
    559,204.30x = 771,710.72 × 304,555.29
  4. Step 4: Simplify right side
    559,204.30x = 235,028,582,125.71
  5. Step 5: Solve for x
    x = 235,028,582,125.71/559,204.30
  6. Step 6: Final answer
    x = 420,291.09

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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.