Home / 536,252.72-739,999.80-306,814.48

Finding the Fourth Proportional to 536,252.72, 739,999.80 and 306,814.48

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Solution

The fourth proportional to 536,252.72, 739,999.80 and 306,814.48 is: 423,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,252.72 : 739,999.80 = 306,814.48 : x
  2. Step 2: Convert to fraction form
    536,252.72/739,999.80 = 306,814.48/x
  3. Step 3: Cross multiply
    536,252.72x = 739,999.80 × 306,814.48
  4. Step 4: Simplify right side
    536,252.72x = 227,042,653,837.10
  5. Step 5: Solve for x
    x = 227,042,653,837.10/536,252.72
  6. Step 6: Final answer
    x = 423,387.42

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1.5x scale

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.