Home / 969,892.25-1,338,492.60-540,172.33

Finding the Fourth Proportional to 969,892.25, 1,338,492.60 and 540,172.33

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Solution

The fourth proportional to 969,892.25, 1,338,492.60 and 540,172.33 is: 745,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,892.25 : 1,338,492.60 = 540,172.33 : x
  2. Step 2: Convert to fraction form
    969,892.25/1,338,492.60 = 540,172.33/x
  3. Step 3: Cross multiply
    969,892.25x = 1,338,492.60 × 540,172.33
  4. Step 4: Simplify right side
    969,892.25x = 723,016,663,083.53
  5. Step 5: Solve for x
    x = 723,016,663,083.53/969,892.25
  6. Step 6: Final answer
    x = 745,460.81

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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.