Home / 776,138.05-1,164,400.83-270,706.29

Finding the Fourth Proportional to 776,138.05, 1,164,400.83 and 270,706.29

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Solution

The fourth proportional to 776,138.05, 1,164,400.83 and 270,706.29 is: 406,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,138.05 : 1,164,400.83 = 270,706.29 : x
  2. Step 2: Convert to fraction form
    776,138.05/1,164,400.83 = 270,706.29/x
  3. Step 3: Cross multiply
    776,138.05x = 1,164,400.83 × 270,706.29
  4. Step 4: Simplify right side
    776,138.05x = 315,210,629,688.70
  5. Step 5: Solve for x
    x = 315,210,629,688.70/776,138.05
  6. Step 6: Final answer
    x = 406,127.01

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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.