Home / 632,628.40-947,892.78-445,246.24

Finding the Fourth Proportional to 632,628.40, 947,892.78 and 445,246.24

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Solution

The fourth proportional to 632,628.40, 947,892.78 and 445,246.24 is: 667,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,628.40 : 947,892.78 = 445,246.24 : x
  2. Step 2: Convert to fraction form
    632,628.40/947,892.78 = 445,246.24/x
  3. Step 3: Cross multiply
    632,628.40x = 947,892.78 × 445,246.24
  4. Step 4: Simplify right side
    632,628.40x = 422,045,696,218.15
  5. Step 5: Solve for x
    x = 422,045,696,218.15/632,628.40
  6. Step 6: Final answer
    x = 667,130.49

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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.