Home / 727,939.20-1,091,714.40-222,499.20

Finding the Fourth Proportional to 727,939.20, 1,091,714.40 and 222,499.20

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Solution

The fourth proportional to 727,939.20, 1,091,714.40 and 222,499.20 is: 333,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,939.20 : 1,091,714.40 = 222,499.20 : x
  2. Step 2: Convert to fraction form
    727,939.20/1,091,714.40 = 222,499.20/x
  3. Step 3: Cross multiply
    727,939.20x = 1,091,714.40 × 222,499.20
  4. Step 4: Simplify right side
    727,939.20x = 242,905,580,628.48
  5. Step 5: Solve for x
    x = 242,905,580,628.48/727,939.20
  6. Step 6: Final answer
    x = 333,689.38

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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.