Home / 757,893.65-1,135,853.21-308,089.10

Finding the Fourth Proportional to 757,893.65, 1,135,853.21 and 308,089.10

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Solution

The fourth proportional to 757,893.65, 1,135,853.21 and 308,089.10 is: 461,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,893.65 : 1,135,853.21 = 308,089.10 : x
  2. Step 2: Convert to fraction form
    757,893.65/1,135,853.21 = 308,089.10/x
  3. Step 3: Cross multiply
    757,893.65x = 1,135,853.21 × 308,089.10
  4. Step 4: Simplify right side
    757,893.65x = 349,943,996,810.87
  5. Step 5: Solve for x
    x = 349,943,996,810.87/757,893.65
  6. Step 6: Final answer
    x = 461,732.33

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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.