Home / 757,986.48-1,136,379.96-284,619.12

Finding the Fourth Proportional to 757,986.48, 1,136,379.96 and 284,619.12

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Solution

The fourth proportional to 757,986.48, 1,136,379.96 and 284,619.12 is: 426,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,986.48 : 1,136,379.96 = 284,619.12 : x
  2. Step 2: Convert to fraction form
    757,986.48/1,136,379.96 = 284,619.12/x
  3. Step 3: Cross multiply
    757,986.48x = 1,136,379.96 × 284,619.12
  4. Step 4: Simplify right side
    757,986.48x = 323,435,464,200.84
  5. Step 5: Solve for x
    x = 323,435,464,200.84/757,986.48
  6. Step 6: Final answer
    x = 426,703.47

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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.