Home / 651,911.94-899,640.54-361,544.22

Finding the Fourth Proportional to 651,911.94, 899,640.54 and 361,544.22

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Solution

The fourth proportional to 651,911.94, 899,640.54 and 361,544.22 is: 498,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,911.94 : 899,640.54 = 361,544.22 : x
  2. Step 2: Convert to fraction form
    651,911.94/899,640.54 = 361,544.22/x
  3. Step 3: Cross multiply
    651,911.94x = 899,640.54 × 361,544.22
  4. Step 4: Simplify right side
    651,911.94x = 325,259,837,314.68
  5. Step 5: Solve for x
    x = 325,259,837,314.68/651,911.94
  6. Step 6: Final answer
    x = 498,932.17

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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.