Home / 485,795.82-670,669.25-341,045.79

Finding the Fourth Proportional to 485,795.82, 670,669.25 and 341,045.79

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Solution

The fourth proportional to 485,795.82, 670,669.25 and 341,045.79 is: 470,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,795.82 : 670,669.25 = 341,045.79 : x
  2. Step 2: Convert to fraction form
    485,795.82/670,669.25 = 341,045.79/x
  3. Step 3: Cross multiply
    485,795.82x = 670,669.25 × 341,045.79
  4. Step 4: Simplify right side
    485,795.82x = 228,728,924,194.96
  5. Step 5: Solve for x
    x = 228,728,924,194.96/485,795.82
  6. Step 6: Final answer
    x = 470,833.45

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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.