Home / 889,630.08-1,333,863.54-505,388.76

Finding the Fourth Proportional to 889,630.08, 1,333,863.54 and 505,388.76

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Solution

The fourth proportional to 889,630.08, 1,333,863.54 and 505,388.76 is: 757,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,630.08 : 1,333,863.54 = 505,388.76 : x
  2. Step 2: Convert to fraction form
    889,630.08/1,333,863.54 = 505,388.76/x
  3. Step 3: Cross multiply
    889,630.08x = 1,333,863.54 × 505,388.76
  4. Step 4: Simplify right side
    889,630.08x = 674,119,640,489.81
  5. Step 5: Solve for x
    x = 674,119,640,489.81/889,630.08
  6. Step 6: Final answer
    x = 757,752.75

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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.