Home / 507,603.04-761,749.12-271,115.52

Finding the Fourth Proportional to 507,603.04, 761,749.12 and 271,115.52

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Solution

The fourth proportional to 507,603.04, 761,749.12 and 271,115.52 is: 406,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,603.04 : 761,749.12 = 271,115.52 : x
  2. Step 2: Convert to fraction form
    507,603.04/761,749.12 = 271,115.52/x
  3. Step 3: Cross multiply
    507,603.04x = 761,749.12 × 271,115.52
  4. Step 4: Simplify right side
    507,603.04x = 206,522,008,778.34
  5. Step 5: Solve for x
    x = 206,522,008,778.34/507,603.04
  6. Step 6: Final answer
    x = 406,857.31

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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.