Home / 778,845.20-1,168,267.80-335,613.20

Finding the Fourth Proportional to 778,845.20, 1,168,267.80 and 335,613.20

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Solution

The fourth proportional to 778,845.20, 1,168,267.80 and 335,613.20 is: 503,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,845.20 : 1,168,267.80 = 335,613.20 : x
  2. Step 2: Convert to fraction form
    778,845.20/1,168,267.80 = 335,613.20/x
  3. Step 3: Cross multiply
    778,845.20x = 1,168,267.80 × 335,613.20
  4. Step 4: Simplify right side
    778,845.20x = 392,086,094,814.96
  5. Step 5: Solve for x
    x = 392,086,094,814.96/778,845.20
  6. Step 6: Final answer
    x = 503,419.80

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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.