Home / 851,639.07-1,277,240.63-252,460.11

Finding the Fourth Proportional to 851,639.07, 1,277,240.63 and 252,460.11

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Solution

The fourth proportional to 851,639.07, 1,277,240.63 and 252,460.11 is: 378,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,639.07 : 1,277,240.63 = 252,460.11 : x
  2. Step 2: Convert to fraction form
    851,639.07/1,277,240.63 = 252,460.11/x
  3. Step 3: Cross multiply
    851,639.07x = 1,277,240.63 × 252,460.11
  4. Step 4: Simplify right side
    851,639.07x = 322,452,308,683.97
  5. Step 5: Solve for x
    x = 322,452,308,683.97/851,639.07
  6. Step 6: Final answer
    x = 378,625.55

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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.