Home / 902,996.70-1,352,690.21-542,970.43

Finding the Fourth Proportional to 902,996.70, 1,352,690.21 and 542,970.43

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Solution

The fourth proportional to 902,996.70, 1,352,690.21 and 542,970.43 is: 813,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,996.70 : 1,352,690.21 = 542,970.43 : x
  2. Step 2: Convert to fraction form
    902,996.70/1,352,690.21 = 542,970.43/x
  3. Step 3: Cross multiply
    902,996.70x = 1,352,690.21 × 542,970.43
  4. Step 4: Simplify right side
    902,996.70x = 734,470,780,920.05
  5. Step 5: Solve for x
    x = 734,470,780,920.05/902,996.70
  6. Step 6: Final answer
    x = 813,370.39

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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.