Home / 757,843.79-1,136,636.43-252,347.42

Finding the Fourth Proportional to 757,843.79, 1,136,636.43 and 252,347.42

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Solution

The fourth proportional to 757,843.79, 1,136,636.43 and 252,347.42 is: 378,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,843.79 : 1,136,636.43 = 252,347.42 : x
  2. Step 2: Convert to fraction form
    757,843.79/1,136,636.43 = 252,347.42/x
  3. Step 3: Cross multiply
    757,843.79x = 1,136,636.43 × 252,347.42
  4. Step 4: Simplify right side
    757,843.79x = 286,827,264,905.33
  5. Step 5: Solve for x
    x = 286,827,264,905.33/757,843.79
  6. Step 6: Final answer
    x = 378,478.09

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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.