Home / 867,995.37-1,302,834.56-419,032.17

Finding the Fourth Proportional to 867,995.37, 1,302,834.56 and 419,032.17

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Solution

The fourth proportional to 867,995.37, 1,302,834.56 and 419,032.17 is: 628,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,995.37 : 1,302,834.56 = 419,032.17 : x
  2. Step 2: Convert to fraction form
    867,995.37/1,302,834.56 = 419,032.17/x
  3. Step 3: Cross multiply
    867,995.37x = 1,302,834.56 × 419,032.17
  4. Step 4: Simplify right side
    867,995.37x = 545,929,590,732.63
  5. Step 5: Solve for x
    x = 545,929,590,732.63/867,995.37
  6. Step 6: Final answer
    x = 628,954.50

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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.