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Finding the Fourth Proportional to 536,340.78, 804,498.71 and 270,029.79

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Solution

The fourth proportional to 536,340.78, 804,498.71 and 270,029.79 is: 405,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,340.78 : 804,498.71 = 270,029.79 : x
  2. Step 2: Convert to fraction form
    536,340.78/804,498.71 = 270,029.79/x
  3. Step 3: Cross multiply
    536,340.78x = 804,498.71 × 270,029.79
  4. Step 4: Simplify right side
    536,340.78x = 217,238,616,366.42
  5. Step 5: Solve for x
    x = 217,238,616,366.42/536,340.78
  6. Step 6: Final answer
    x = 405,038.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.