Home / 902,638.01-1,245,650.30-494,730.92

Finding the Fourth Proportional to 902,638.01, 1,245,650.30 and 494,730.92

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Solution

The fourth proportional to 902,638.01, 1,245,650.30 and 494,730.92 is: 682,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,638.01 : 1,245,650.30 = 494,730.92 : x
  2. Step 2: Convert to fraction form
    902,638.01/1,245,650.30 = 494,730.92/x
  3. Step 3: Cross multiply
    902,638.01x = 1,245,650.30 × 494,730.92
  4. Step 4: Simplify right side
    902,638.01x = 616,261,721,412.99
  5. Step 5: Solve for x
    x = 616,261,721,412.99/902,638.01
  6. Step 6: Final answer
    x = 682,734.07

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1.5x scale

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.