Home / 776,814.90-1,164,755.78-303,723.06

Finding the Fourth Proportional to 776,814.90, 1,164,755.78 and 303,723.06

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Solution

The fourth proportional to 776,814.90, 1,164,755.78 and 303,723.06 is: 455,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,814.90 : 1,164,755.78 = 303,723.06 : x
  2. Step 2: Convert to fraction form
    776,814.90/1,164,755.78 = 303,723.06/x
  3. Step 3: Cross multiply
    776,814.90x = 1,164,755.78 × 303,723.06
  4. Step 4: Simplify right side
    776,814.90x = 353,763,189,654.29
  5. Step 5: Solve for x
    x = 353,763,189,654.29/776,814.90
  6. Step 6: Final answer
    x = 455,402.17

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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.