Home / 948,668.28-1,422,797.76-300,295.68

Finding the Fourth Proportional to 948,668.28, 1,422,797.76 and 300,295.68

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Solution

The fourth proportional to 948,668.28, 1,422,797.76 and 300,295.68 is: 450,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,668.28 : 1,422,797.76 = 300,295.68 : x
  2. Step 2: Convert to fraction form
    948,668.28/1,422,797.76 = 300,295.68/x
  3. Step 3: Cross multiply
    948,668.28x = 1,422,797.76 × 300,295.68
  4. Step 4: Simplify right side
    948,668.28x = 427,260,020,841.68
  5. Step 5: Solve for x
    x = 427,260,020,841.68/948,668.28
  6. Step 6: Final answer
    x = 450,378.74

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1.5x scale

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.