Home / 698,735.64-1,047,981.78-225,420.96

Finding the Fourth Proportional to 698,735.64, 1,047,981.78 and 225,420.96

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Solution

The fourth proportional to 698,735.64, 1,047,981.78 and 225,420.96 is: 338,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,735.64 : 1,047,981.78 = 225,420.96 : x
  2. Step 2: Convert to fraction form
    698,735.64/1,047,981.78 = 225,420.96/x
  3. Step 3: Cross multiply
    698,735.64x = 1,047,981.78 × 225,420.96
  4. Step 4: Simplify right side
    698,735.64x = 236,237,058,910.11
  5. Step 5: Solve for x
    x = 236,237,058,910.11/698,735.64
  6. Step 6: Final answer
    x = 338,092.18

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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.