Home / 776,148.66-1,164,416.73-270,716.88

Finding the Fourth Proportional to 776,148.66, 1,164,416.73 and 270,716.88

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Solution

The fourth proportional to 776,148.66, 1,164,416.73 and 270,716.88 is: 406,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,148.66 : 1,164,416.73 = 270,716.88 : x
  2. Step 2: Convert to fraction form
    776,148.66/1,164,416.73 = 270,716.88/x
  3. Step 3: Cross multiply
    776,148.66x = 1,164,416.73 × 270,716.88
  4. Step 4: Simplify right side
    776,148.66x = 315,227,264,165.40
  5. Step 5: Solve for x
    x = 315,227,264,165.40/776,148.66
  6. Step 6: Final answer
    x = 406,142.90

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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.