Home / 701,140-1,051,289.04-321,585.28

Finding the Fourth Proportional to 701,140, 1,051,289.04 and 321,585.28

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Solution

The fourth proportional to 701,140, 1,051,289.04 and 321,585.28 is: 482,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,140 : 1,051,289.04 = 321,585.28 : x
  2. Step 2: Convert to fraction form
    701,140/1,051,289.04 = 321,585.28/x
  3. Step 3: Cross multiply
    701,140x = 1,051,289.04 × 321,585.28
  4. Step 4: Simplify right side
    701,140x = 338,079,080,289.33
  5. Step 5: Solve for x
    x = 338,079,080,289.33/701,140
  6. Step 6: Final answer
    x = 482,184.84

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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.