Home / 969,813.32-1,338,246.52-540,133.44

Finding the Fourth Proportional to 969,813.32, 1,338,246.52 and 540,133.44

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Solution

The fourth proportional to 969,813.32, 1,338,246.52 and 540,133.44 is: 745,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,813.32 : 1,338,246.52 = 540,133.44 : x
  2. Step 2: Convert to fraction form
    969,813.32/1,338,246.52 = 540,133.44/x
  3. Step 3: Cross multiply
    969,813.32x = 1,338,246.52 × 540,133.44
  4. Step 4: Simplify right side
    969,813.32x = 722,831,696,415.63
  5. Step 5: Solve for x
    x = 722,831,696,415.63/969,813.32
  6. Step 6: Final answer
    x = 745,330.76

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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.