Home / 772,229.58-1,158,498.66-266,809.02

Finding the Fourth Proportional to 772,229.58, 1,158,498.66 and 266,809.02

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Solution

The fourth proportional to 772,229.58, 1,158,498.66 and 266,809.02 is: 400,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,229.58 : 1,158,498.66 = 266,809.02 : x
  2. Step 2: Convert to fraction form
    772,229.58/1,158,498.66 = 266,809.02/x
  3. Step 3: Cross multiply
    772,229.58x = 1,158,498.66 × 266,809.02
  4. Step 4: Simplify right side
    772,229.58x = 309,097,892,145.91
  5. Step 5: Solve for x
    x = 309,097,892,145.91/772,229.58
  6. Step 6: Final answer
    x = 400,266.84

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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.