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Finding the Fourth Proportional to 559,025.80, 771,447.88 and 304,377

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Solution

The fourth proportional to 559,025.80, 771,447.88 and 304,377 is: 420,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,025.80 : 771,447.88 = 304,377 : x
  2. Step 2: Convert to fraction form
    559,025.80/771,447.88 = 304,377/x
  3. Step 3: Cross multiply
    559,025.80x = 771,447.88 × 304,377
  4. Step 4: Simplify right side
    559,025.80x = 234,810,991,370.76
  5. Step 5: Solve for x
    x = 234,810,991,370.76/559,025.80
  6. Step 6: Final answer
    x = 420,036.05

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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.