Home / 878,212.34-1,211,264.37-755,912.87

Finding the Fourth Proportional to 878,212.34, 1,211,264.37 and 755,912.87

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Solution

The fourth proportional to 878,212.34, 1,211,264.37 and 755,912.87 is: 1,042,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,212.34 : 1,211,264.37 = 755,912.87 : x
  2. Step 2: Convert to fraction form
    878,212.34/1,211,264.37 = 755,912.87/x
  3. Step 3: Cross multiply
    878,212.34x = 1,211,264.37 × 755,912.87
  4. Step 4: Simplify right side
    878,212.34x = 915,610,329,283.60
  5. Step 5: Solve for x
    x = 915,610,329,283.60/878,212.34
  6. Step 6: Final answer
    x = 1,042,584.22

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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.