Home / 683,362.40-1,025,335.20-328,193.60

Finding the Fourth Proportional to 683,362.40, 1,025,335.20 and 328,193.60

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Solution

The fourth proportional to 683,362.40, 1,025,335.20 and 328,193.60 is: 492,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,362.40 : 1,025,335.20 = 328,193.60 : x
  2. Step 2: Convert to fraction form
    683,362.40/1,025,335.20 = 328,193.60/x
  3. Step 3: Cross multiply
    683,362.40x = 1,025,335.20 × 328,193.60
  4. Step 4: Simplify right side
    683,362.40x = 336,508,450,494.72
  5. Step 5: Solve for x
    x = 336,508,450,494.72/683,362.40
  6. Step 6: Final answer
    x = 492,430.44

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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.