Home / 937,913.21-1,294,766.49-628,348.82

Finding the Fourth Proportional to 937,913.21, 1,294,766.49 and 628,348.82

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Solution

The fourth proportional to 937,913.21, 1,294,766.49 and 628,348.82 is: 867,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,913.21 : 1,294,766.49 = 628,348.82 : x
  2. Step 2: Convert to fraction form
    937,913.21/1,294,766.49 = 628,348.82/x
  3. Step 3: Cross multiply
    937,913.21x = 1,294,766.49 × 628,348.82
  4. Step 4: Simplify right side
    937,913.21x = 813,564,989,693.21
  5. Step 5: Solve for x
    x = 813,564,989,693.21/937,913.21
  6. Step 6: Final answer
    x = 867,420.34

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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.