Home / 876,616.40-1,314,924.60-343,863.20

Finding the Fourth Proportional to 876,616.40, 1,314,924.60 and 343,863.20

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Solution

The fourth proportional to 876,616.40, 1,314,924.60 and 343,863.20 is: 515,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,616.40 : 1,314,924.60 = 343,863.20 : x
  2. Step 2: Convert to fraction form
    876,616.40/1,314,924.60 = 343,863.20/x
  3. Step 3: Cross multiply
    876,616.40x = 1,314,924.60 × 343,863.20
  4. Step 4: Simplify right side
    876,616.40x = 452,154,180,714.72
  5. Step 5: Solve for x
    x = 452,154,180,714.72/876,616.40
  6. Step 6: Final answer
    x = 515,794.80

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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.