Home / 763,617.57-1,053,730.79-441,348.54

Finding the Fourth Proportional to 763,617.57, 1,053,730.79 and 441,348.54

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Solution

The fourth proportional to 763,617.57, 1,053,730.79 and 441,348.54 is: 609,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,617.57 : 1,053,730.79 = 441,348.54 : x
  2. Step 2: Convert to fraction form
    763,617.57/1,053,730.79 = 441,348.54/x
  3. Step 3: Cross multiply
    763,617.57x = 1,053,730.79 × 441,348.54
  4. Step 4: Simplify right side
    763,617.57x = 465,062,538,244.15
  5. Step 5: Solve for x
    x = 465,062,538,244.15/763,617.57
  6. Step 6: Final answer
    x = 609,025.46

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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.