Home / 756,617.79-1,136,212.25-505,511.90

Finding the Fourth Proportional to 756,617.79, 1,136,212.25 and 505,511.90

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Solution

The fourth proportional to 756,617.79, 1,136,212.25 and 505,511.90 is: 759,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,617.79 : 1,136,212.25 = 505,511.90 : x
  2. Step 2: Convert to fraction form
    756,617.79/1,136,212.25 = 505,511.90/x
  3. Step 3: Cross multiply
    756,617.79x = 1,136,212.25 × 505,511.90
  4. Step 4: Simplify right side
    756,617.79x = 574,368,805,092.15
  5. Step 5: Solve for x
    x = 574,368,805,092.15/756,617.79
  6. Step 6: Final answer
    x = 759,126.75

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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.