Home / 886,668.20-1,330,281.28-317,661.52

Finding the Fourth Proportional to 886,668.20, 1,330,281.28 and 317,661.52

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Solution

The fourth proportional to 886,668.20, 1,330,281.28 and 317,661.52 is: 476,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,668.20 : 1,330,281.28 = 317,661.52 : x
  2. Step 2: Convert to fraction form
    886,668.20/1,330,281.28 = 317,661.52/x
  3. Step 3: Cross multiply
    886,668.20x = 1,330,281.28 × 317,661.52
  4. Step 4: Simplify right side
    886,668.20x = 422,579,173,432.35
  5. Step 5: Solve for x
    x = 422,579,173,432.35/886,668.20
  6. Step 6: Final answer
    x = 476,592.23

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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.