Home / 809,748.15-1,214,622.23-748,922.55

Finding the Fourth Proportional to 809,748.15, 1,214,622.23 and 748,922.55

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Solution

The fourth proportional to 809,748.15, 1,214,622.23 and 748,922.55 is: 1,123,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,748.15 : 1,214,622.23 = 748,922.55 : x
  2. Step 2: Convert to fraction form
    809,748.15/1,214,622.23 = 748,922.55/x
  3. Step 3: Cross multiply
    809,748.15x = 1,214,622.23 × 748,922.55
  4. Step 4: Simplify right side
    809,748.15x = 909,657,974,033.67
  5. Step 5: Solve for x
    x = 909,657,974,033.67/809,748.15
  6. Step 6: Final answer
    x = 1,123,383.83

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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.