Home / 851,708.86-1,277,563.83-477,994.30

Finding the Fourth Proportional to 851,708.86, 1,277,563.83 and 477,994.30

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Solution

The fourth proportional to 851,708.86, 1,277,563.83 and 477,994.30 is: 716,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,708.86 : 1,277,563.83 = 477,994.30 : x
  2. Step 2: Convert to fraction form
    851,708.86/1,277,563.83 = 477,994.30/x
  3. Step 3: Cross multiply
    851,708.86x = 1,277,563.83 × 477,994.30
  4. Step 4: Simplify right side
    851,708.86x = 610,668,228,626.17
  5. Step 5: Solve for x
    x = 610,668,228,626.17/851,708.86
  6. Step 6: Final answer
    x = 716,991.75

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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.