Home / 761,603.73-1,141,203.96-281,170.32

Finding the Fourth Proportional to 761,603.73, 1,141,203.96 and 281,170.32

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Solution

The fourth proportional to 761,603.73, 1,141,203.96 and 281,170.32 is: 421,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,603.73 : 1,141,203.96 = 281,170.32 : x
  2. Step 2: Convert to fraction form
    761,603.73/1,141,203.96 = 281,170.32/x
  3. Step 3: Cross multiply
    761,603.73x = 1,141,203.96 × 281,170.32
  4. Step 4: Simplify right side
    761,603.73x = 320,872,682,618.47
  5. Step 5: Solve for x
    x = 320,872,682,618.47/761,603.73
  6. Step 6: Final answer
    x = 421,311.86

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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.