Home / 678,340.60-1,017,532.56-341,197.14

Finding the Fourth Proportional to 678,340.60, 1,017,532.56 and 341,197.14

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Solution

The fourth proportional to 678,340.60, 1,017,532.56 and 341,197.14 is: 511,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,340.60 : 1,017,532.56 = 341,197.14 : x
  2. Step 2: Convert to fraction form
    678,340.60/1,017,532.56 = 341,197.14/x
  3. Step 3: Cross multiply
    678,340.60x = 1,017,532.56 × 341,197.14
  4. Step 4: Simplify right side
    678,340.60x = 347,179,199,328.88
  5. Step 5: Solve for x
    x = 347,179,199,328.88/678,340.60
  6. Step 6: Final answer
    x = 511,806.60

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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.