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Finding the Fourth Proportional to 424,512.09, 636,523.92 and 253,904.22

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Solution

The fourth proportional to 424,512.09, 636,523.92 and 253,904.22 is: 380,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,512.09 : 636,523.92 = 253,904.22 : x
  2. Step 2: Convert to fraction form
    424,512.09/636,523.92 = 253,904.22/x
  3. Step 3: Cross multiply
    424,512.09x = 636,523.92 × 253,904.22
  4. Step 4: Simplify right side
    424,512.09x = 161,616,109,418.94
  5. Step 5: Solve for x
    x = 161,616,109,418.94/424,512.09
  6. Step 6: Final answer
    x = 380,710.26

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1.5x scale

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.