Home / 889,633.90-1,333,173.06-505,687.84

Finding the Fourth Proportional to 889,633.90, 1,333,173.06 and 505,687.84

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Solution

The fourth proportional to 889,633.90, 1,333,173.06 and 505,687.84 is: 757,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,633.90 : 1,333,173.06 = 505,687.84 : x
  2. Step 2: Convert to fraction form
    889,633.90/1,333,173.06 = 505,687.84/x
  3. Step 3: Cross multiply
    889,633.90x = 1,333,173.06 × 505,687.84
  4. Step 4: Simplify right side
    889,633.90x = 674,169,405,057.59
  5. Step 5: Solve for x
    x = 674,169,405,057.59/889,633.90
  6. Step 6: Final answer
    x = 757,805.44

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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.