Home / 837,601.28-1,155,964.68-493,440.36

Finding the Fourth Proportional to 837,601.28, 1,155,964.68 and 493,440.36

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Solution

The fourth proportional to 837,601.28, 1,155,964.68 and 493,440.36 is: 680,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,601.28 : 1,155,964.68 = 493,440.36 : x
  2. Step 2: Convert to fraction form
    837,601.28/1,155,964.68 = 493,440.36/x
  3. Step 3: Cross multiply
    837,601.28x = 1,155,964.68 × 493,440.36
  4. Step 4: Simplify right side
    837,601.28x = 570,399,627,846.49
  5. Step 5: Solve for x
    x = 570,399,627,846.49/837,601.28
  6. Step 6: Final answer
    x = 680,991.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.