Home / 485,944.04-670,676.64-294,920.48

Finding the Fourth Proportional to 485,944.04, 670,676.64 and 294,920.48

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Solution

The fourth proportional to 485,944.04, 670,676.64 and 294,920.48 is: 407,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,944.04 : 670,676.64 = 294,920.48 : x
  2. Step 2: Convert to fraction form
    485,944.04/670,676.64 = 294,920.48/x
  3. Step 3: Cross multiply
    485,944.04x = 670,676.64 × 294,920.48
  4. Step 4: Simplify right side
    485,944.04x = 197,796,276,593.59
  5. Step 5: Solve for x
    x = 197,796,276,593.59/485,944.04
  6. Step 6: Final answer
    x = 407,035.09

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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.