Home / 839,879.51-1,260,341.73-341,243.51

Finding the Fourth Proportional to 839,879.51, 1,260,341.73 and 341,243.51

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Solution

The fourth proportional to 839,879.51, 1,260,341.73 and 341,243.51 is: 512,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,879.51 : 1,260,341.73 = 341,243.51 : x
  2. Step 2: Convert to fraction form
    839,879.51/1,260,341.73 = 341,243.51/x
  3. Step 3: Cross multiply
    839,879.51x = 1,260,341.73 × 341,243.51
  4. Step 4: Simplify right side
    839,879.51x = 430,083,435,744.67
  5. Step 5: Solve for x
    x = 430,083,435,744.67/839,879.51
  6. Step 6: Final answer
    x = 512,077.54

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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.