Home / 917,377.11-1,376,021.52-310,124.97

Finding the Fourth Proportional to 917,377.11, 1,376,021.52 and 310,124.97

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Solution

The fourth proportional to 917,377.11, 1,376,021.52 and 310,124.97 is: 465,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,377.11 : 1,376,021.52 = 310,124.97 : x
  2. Step 2: Convert to fraction form
    917,377.11/1,376,021.52 = 310,124.97/x
  3. Step 3: Cross multiply
    917,377.11x = 1,376,021.52 × 310,124.97
  4. Step 4: Simplify right side
    917,377.11x = 426,738,632,609.35
  5. Step 5: Solve for x
    x = 426,738,632,609.35/917,377.11
  6. Step 6: Final answer
    x = 465,172.53

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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.