Home / 770,488.46-1,155,445.32-264,906.29

Finding the Fourth Proportional to 770,488.46, 1,155,445.32 and 264,906.29

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Solution

The fourth proportional to 770,488.46, 1,155,445.32 and 264,906.29 is: 397,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,488.46 : 1,155,445.32 = 264,906.29 : x
  2. Step 2: Convert to fraction form
    770,488.46/1,155,445.32 = 264,906.29/x
  3. Step 3: Cross multiply
    770,488.46x = 1,155,445.32 × 264,906.29
  4. Step 4: Simplify right side
    770,488.46x = 306,084,733,019.06
  5. Step 5: Solve for x
    x = 306,084,733,019.06/770,488.46
  6. Step 6: Final answer
    x = 397,260.63

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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.