Home / 683,302.40-1,025,245.20-328,133.60

Finding the Fourth Proportional to 683,302.40, 1,025,245.20 and 328,133.60

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Solution

The fourth proportional to 683,302.40, 1,025,245.20 and 328,133.60 is: 492,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,302.40 : 1,025,245.20 = 328,133.60 : x
  2. Step 2: Convert to fraction form
    683,302.40/1,025,245.20 = 328,133.60/x
  3. Step 3: Cross multiply
    683,302.40x = 1,025,245.20 × 328,133.60
  4. Step 4: Simplify right side
    683,302.40x = 336,417,398,358.72
  5. Step 5: Solve for x
    x = 336,417,398,358.72/683,302.40
  6. Step 6: Final answer
    x = 492,340.43

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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.