Home / 477,239.50-658,049.43-304,929.82

Finding the Fourth Proportional to 477,239.50, 658,049.43 and 304,929.82

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Solution

The fourth proportional to 477,239.50, 658,049.43 and 304,929.82 is: 420,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,239.50 : 658,049.43 = 304,929.82 : x
  2. Step 2: Convert to fraction form
    477,239.50/658,049.43 = 304,929.82/x
  3. Step 3: Cross multiply
    477,239.50x = 658,049.43 × 304,929.82
  4. Step 4: Simplify right side
    477,239.50x = 200,658,894,241.00
  5. Step 5: Solve for x
    x = 200,658,894,241.00/477,239.50
  6. Step 6: Final answer
    x = 420,457.43

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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.