Home / 830,712.62-1,246,068.77-199,626.44

Finding the Fourth Proportional to 830,712.62, 1,246,068.77 and 199,626.44

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Solution

The fourth proportional to 830,712.62, 1,246,068.77 and 199,626.44 is: 299,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,712.62 : 1,246,068.77 = 199,626.44 : x
  2. Step 2: Convert to fraction form
    830,712.62/1,246,068.77 = 199,626.44/x
  3. Step 3: Cross multiply
    830,712.62x = 1,246,068.77 × 199,626.44
  4. Step 4: Simplify right side
    830,712.62x = 248,748,266,819.00
  5. Step 5: Solve for x
    x = 248,748,266,819.00/830,712.62
  6. Step 6: Final answer
    x = 299,439.61

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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.