Home / 776,583.12-1,072,015.36-522,081.94

Finding the Fourth Proportional to 776,583.12, 1,072,015.36 and 522,081.94

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Solution

The fourth proportional to 776,583.12, 1,072,015.36 and 522,081.94 is: 720,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,583.12 : 1,072,015.36 = 522,081.94 : x
  2. Step 2: Convert to fraction form
    776,583.12/1,072,015.36 = 522,081.94/x
  3. Step 3: Cross multiply
    776,583.12x = 1,072,015.36 × 522,081.94
  4. Step 4: Simplify right side
    776,583.12x = 559,679,858,858.60
  5. Step 5: Solve for x
    x = 559,679,858,858.60/776,583.12
  6. Step 6: Final answer
    x = 720,695.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.