Home / 937,939.28-1,294,802.52-628,374.90

Finding the Fourth Proportional to 937,939.28, 1,294,802.52 and 628,374.90

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Solution

The fourth proportional to 937,939.28, 1,294,802.52 and 628,374.90 is: 867,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,939.28 : 1,294,802.52 = 628,374.90 : x
  2. Step 2: Convert to fraction form
    937,939.28/1,294,802.52 = 628,374.90/x
  3. Step 3: Cross multiply
    937,939.28x = 1,294,802.52 × 628,374.90
  4. Step 4: Simplify right side
    937,939.28x = 813,621,404,024.75
  5. Step 5: Solve for x
    x = 813,621,404,024.75/937,939.28
  6. Step 6: Final answer
    x = 867,456.37

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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.