Home / 889,154.58-1,333,735.38-215,234.81

Finding the Fourth Proportional to 889,154.58, 1,333,735.38 and 215,234.81

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Solution

The fourth proportional to 889,154.58, 1,333,735.38 and 215,234.81 is: 322,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,154.58 : 1,333,735.38 = 215,234.81 : x
  2. Step 2: Convert to fraction form
    889,154.58/1,333,735.38 = 215,234.81/x
  3. Step 3: Cross multiply
    889,154.58x = 1,333,735.38 × 215,234.81
  4. Step 4: Simplify right side
    889,154.58x = 287,066,273,628.77
  5. Step 5: Solve for x
    x = 287,066,273,628.77/889,154.58
  6. Step 6: Final answer
    x = 322,853.05

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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.