Home / 776,699.33-1,072,176.78-522,198.14

Finding the Fourth Proportional to 776,699.33, 1,072,176.78 and 522,198.14

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Solution

The fourth proportional to 776,699.33, 1,072,176.78 and 522,198.14 is: 720,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,699.33 : 1,072,176.78 = 522,198.14 : x
  2. Step 2: Convert to fraction form
    776,699.33/1,072,176.78 = 522,198.14/x
  3. Step 3: Cross multiply
    776,699.33x = 1,072,176.78 × 522,198.14
  4. Step 4: Simplify right side
    776,699.33x = 559,888,720,267.19
  5. Step 5: Solve for x
    x = 559,888,720,267.19/776,699.33
  6. Step 6: Final answer
    x = 720,856.45

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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.