Home / 969,428.50-1,454,806.98-338,342.31

Finding the Fourth Proportional to 969,428.50, 1,454,806.98 and 338,342.31

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Solution

The fourth proportional to 969,428.50, 1,454,806.98 and 338,342.31 is: 507,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,428.50 : 1,454,806.98 = 338,342.31 : x
  2. Step 2: Convert to fraction form
    969,428.50/1,454,806.98 = 338,342.31/x
  3. Step 3: Cross multiply
    969,428.50x = 1,454,806.98 × 338,342.31
  4. Step 4: Simplify right side
    969,428.50x = 492,222,754,217.32
  5. Step 5: Solve for x
    x = 492,222,754,217.32/969,428.50
  6. Step 6: Final answer
    x = 507,745.29

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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.