Home / 767,749.12-1,059,833.50-495,949.51

Finding the Fourth Proportional to 767,749.12, 1,059,833.50 and 495,949.51

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Solution

The fourth proportional to 767,749.12, 1,059,833.50 and 495,949.51 is: 684,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,749.12 : 1,059,833.50 = 495,949.51 : x
  2. Step 2: Convert to fraction form
    767,749.12/1,059,833.50 = 495,949.51/x
  3. Step 3: Cross multiply
    767,749.12x = 1,059,833.50 × 495,949.51
  4. Step 4: Simplify right side
    767,749.12x = 525,623,906,416.30
  5. Step 5: Solve for x
    x = 525,623,906,416.30/767,749.12
  6. Step 6: Final answer
    x = 684,629.78

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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.