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Finding the Fourth Proportional to 776,508.83, 1,163,781.83 and 349,590.03

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Solution

The fourth proportional to 776,508.83, 1,163,781.83 and 349,590.03 is: 523,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,508.83 : 1,163,781.83 = 349,590.03 : x
  2. Step 2: Convert to fraction form
    776,508.83/1,163,781.83 = 349,590.03/x
  3. Step 3: Cross multiply
    776,508.83x = 1,163,781.83 × 349,590.03
  4. Step 4: Simplify right side
    776,508.83x = 406,846,519,406.50
  5. Step 5: Solve for x
    x = 406,846,519,406.50/776,508.83
  6. Step 6: Final answer
    x = 523,943.20

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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.