Home / 775,979.05-1,163,955-349,212.88

Finding the Fourth Proportional to 775,979.05, 1,163,955 and 349,212.88

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Solution

The fourth proportional to 775,979.05, 1,163,955 and 349,212.88 is: 523,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,979.05 : 1,163,955 = 349,212.88 : x
  2. Step 2: Convert to fraction form
    775,979.05/1,163,955 = 349,212.88/x
  3. Step 3: Cross multiply
    775,979.05x = 1,163,955 × 349,212.88
  4. Step 4: Simplify right side
    775,979.05x = 406,468,077,740.40
  5. Step 5: Solve for x
    x = 406,468,077,740.40/775,979.05
  6. Step 6: Final answer
    x = 523,813.21

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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.