Home / 756,491.20-1,134,736.80-335,809.60

Finding the Fourth Proportional to 756,491.20, 1,134,736.80 and 335,809.60

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Solution

The fourth proportional to 756,491.20, 1,134,736.80 and 335,809.60 is: 503,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,491.20 : 1,134,736.80 = 335,809.60 : x
  2. Step 2: Convert to fraction form
    756,491.20/1,134,736.80 = 335,809.60/x
  3. Step 3: Cross multiply
    756,491.20x = 1,134,736.80 × 335,809.60
  4. Step 4: Simplify right side
    756,491.20x = 381,055,510,913.28
  5. Step 5: Solve for x
    x = 381,055,510,913.28/756,491.20
  6. Step 6: Final answer
    x = 503,714.40

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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.