Home / 851,262.53-1,277,269.92-446,358.03

Finding the Fourth Proportional to 851,262.53, 1,277,269.92 and 446,358.03

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Solution

The fourth proportional to 851,262.53, 1,277,269.92 and 446,358.03 is: 669,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,262.53 : 1,277,269.92 = 446,358.03 : x
  2. Step 2: Convert to fraction form
    851,262.53/1,277,269.92 = 446,358.03/x
  3. Step 3: Cross multiply
    851,262.53x = 1,277,269.92 × 446,358.03
  4. Step 4: Simplify right side
    851,262.53x = 570,119,685,269.46
  5. Step 5: Solve for x
    x = 570,119,685,269.46/851,262.53
  6. Step 6: Final answer
    x = 669,734.27

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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.