Home / 889,289.33-1,333,929.53-215,370.62

Finding the Fourth Proportional to 889,289.33, 1,333,929.53 and 215,370.62

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Solution

The fourth proportional to 889,289.33, 1,333,929.53 and 215,370.62 is: 323,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,289.33 : 1,333,929.53 = 215,370.62 : x
  2. Step 2: Convert to fraction form
    889,289.33/1,333,929.53 = 215,370.62/x
  3. Step 3: Cross multiply
    889,289.33x = 1,333,929.53 × 215,370.62
  4. Step 4: Simplify right side
    889,289.33x = 287,289,222,165.91
  5. Step 5: Solve for x
    x = 287,289,222,165.91/889,289.33
  6. Step 6: Final answer
    x = 323,054.84

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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.