Home / 672,015.60-1,008,001.80-222,757.20

Finding the Fourth Proportional to 672,015.60, 1,008,001.80 and 222,757.20

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Solution

The fourth proportional to 672,015.60, 1,008,001.80 and 222,757.20 is: 334,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,015.60 : 1,008,001.80 = 222,757.20 : x
  2. Step 2: Convert to fraction form
    672,015.60/1,008,001.80 = 222,757.20/x
  3. Step 3: Cross multiply
    672,015.60x = 1,008,001.80 × 222,757.20
  4. Step 4: Simplify right side
    672,015.60x = 224,539,658,562.96
  5. Step 5: Solve for x
    x = 224,539,658,562.96/672,015.60
  6. Step 6: Final answer
    x = 334,128.64

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1.5x scale

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.