Home / 546,749.39-820,040.91-209,948.66

Finding the Fourth Proportional to 546,749.39, 820,040.91 and 209,948.66

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Solution

The fourth proportional to 546,749.39, 820,040.91 and 209,948.66 is: 314,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,749.39 : 820,040.91 = 209,948.66 : x
  2. Step 2: Convert to fraction form
    546,749.39/820,040.91 = 209,948.66/x
  3. Step 3: Cross multiply
    546,749.39x = 820,040.91 × 209,948.66
  4. Step 4: Simplify right side
    546,749.39x = 172,166,489,568.28
  5. Step 5: Solve for x
    x = 172,166,489,568.28/546,749.39
  6. Step 6: Final answer
    x = 314,891.05

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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.