Home / 776,502.78-1,071,571.64-436,971.03

Finding the Fourth Proportional to 776,502.78, 1,071,571.64 and 436,971.03

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Solution

The fourth proportional to 776,502.78, 1,071,571.64 and 436,971.03 is: 603,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,502.78 : 1,071,571.64 = 436,971.03 : x
  2. Step 2: Convert to fraction form
    776,502.78/1,071,571.64 = 436,971.03/x
  3. Step 3: Cross multiply
    776,502.78x = 1,071,571.64 × 436,971.03
  4. Step 4: Simplify right side
    776,502.78x = 468,245,763,249.59
  5. Step 5: Solve for x
    x = 468,245,763,249.59/776,502.78
  6. Step 6: Final answer
    x = 603,018.79

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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.