Home / 551,714.24-761,388.03-309,996.06

Finding the Fourth Proportional to 551,714.24, 761,388.03 and 309,996.06

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Solution

The fourth proportional to 551,714.24, 761,388.03 and 309,996.06 is: 427,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,714.24 : 761,388.03 = 309,996.06 : x
  2. Step 2: Convert to fraction form
    551,714.24/761,388.03 = 309,996.06/x
  3. Step 3: Cross multiply
    551,714.24x = 761,388.03 × 309,996.06
  4. Step 4: Simplify right side
    551,714.24x = 236,027,289,431.16
  5. Step 5: Solve for x
    x = 236,027,289,431.16/551,714.24
  6. Step 6: Final answer
    x = 427,807.14

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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.