Home / 690,227.18-1,034,813.73-216,638.54

Finding the Fourth Proportional to 690,227.18, 1,034,813.73 and 216,638.54

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Solution

The fourth proportional to 690,227.18, 1,034,813.73 and 216,638.54 is: 324,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,227.18 : 1,034,813.73 = 216,638.54 : x
  2. Step 2: Convert to fraction form
    690,227.18/1,034,813.73 = 216,638.54/x
  3. Step 3: Cross multiply
    690,227.18x = 1,034,813.73 × 216,638.54
  4. Step 4: Simplify right side
    690,227.18x = 224,180,535,639.15
  5. Step 5: Solve for x
    x = 224,180,535,639.15/690,227.18
  6. Step 6: Final answer
    x = 324,792.39

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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.