Home / 683,840.40-1,025,760.60-210,670.80

Finding the Fourth Proportional to 683,840.40, 1,025,760.60 and 210,670.80

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Solution

The fourth proportional to 683,840.40, 1,025,760.60 and 210,670.80 is: 316,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,840.40 : 1,025,760.60 = 210,670.80 : x
  2. Step 2: Convert to fraction form
    683,840.40/1,025,760.60 = 210,670.80/x
  3. Step 3: Cross multiply
    683,840.40x = 1,025,760.60 × 210,670.80
  4. Step 4: Simplify right side
    683,840.40x = 216,097,806,210.48
  5. Step 5: Solve for x
    x = 216,097,806,210.48/683,840.40
  6. Step 6: Final answer
    x = 316,006.20

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Similar ratio
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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.