Home / 682,915.04-942,511.92-381,171.68

Finding the Fourth Proportional to 682,915.04, 942,511.92 and 381,171.68

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Solution

The fourth proportional to 682,915.04, 942,511.92 and 381,171.68 is: 526,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,915.04 : 942,511.92 = 381,171.68 : x
  2. Step 2: Convert to fraction form
    682,915.04/942,511.92 = 381,171.68/x
  3. Step 3: Cross multiply
    682,915.04x = 942,511.92 × 381,171.68
  4. Step 4: Simplify right side
    682,915.04x = 359,258,851,966.43
  5. Step 5: Solve for x
    x = 359,258,851,966.43/682,915.04
  6. Step 6: Final answer
    x = 526,066.69

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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.