Home / 968,190.30-1,336,119.78-538,470.60

Finding the Fourth Proportional to 968,190.30, 1,336,119.78 and 538,470.60

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Solution

The fourth proportional to 968,190.30, 1,336,119.78 and 538,470.60 is: 743,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,190.30 : 1,336,119.78 = 538,470.60 : x
  2. Step 2: Convert to fraction form
    968,190.30/1,336,119.78 = 538,470.60/x
  3. Step 3: Cross multiply
    968,190.30x = 1,336,119.78 × 538,470.60
  4. Step 4: Simplify right side
    968,190.30x = 719,461,219,608.47
  5. Step 5: Solve for x
    x = 719,461,219,608.47/968,190.30
  6. Step 6: Final answer
    x = 743,098.98

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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.