Home / 702,422.48-1,052,714.84-281,993.36

Finding the Fourth Proportional to 702,422.48, 1,052,714.84 and 281,993.36

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Solution

The fourth proportional to 702,422.48, 1,052,714.84 and 281,993.36 is: 422,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,422.48 : 1,052,714.84 = 281,993.36 : x
  2. Step 2: Convert to fraction form
    702,422.48/1,052,714.84 = 281,993.36/x
  3. Step 3: Cross multiply
    702,422.48x = 1,052,714.84 × 281,993.36
  4. Step 4: Simplify right side
    702,422.48x = 296,858,594,853.46
  5. Step 5: Solve for x
    x = 296,858,594,853.46/702,422.48
  6. Step 6: Final answer
    x = 422,621.15

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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.