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Finding the Fourth Proportional to 636,672.33, 878,589.29 and 350,192.34

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Solution

The fourth proportional to 636,672.33, 878,589.29 and 350,192.34 is: 483,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,672.33 : 878,589.29 = 350,192.34 : x
  2. Step 2: Convert to fraction form
    636,672.33/878,589.29 = 350,192.34/x
  3. Step 3: Cross multiply
    636,672.33x = 878,589.29 × 350,192.34
  4. Step 4: Simplify right side
    636,672.33x = 307,675,239,364.04
  5. Step 5: Solve for x
    x = 307,675,239,364.04/636,672.33
  6. Step 6: Final answer
    x = 483,255.24

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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.