Home / 757,088.51-1,135,207.31-251,378.91

Finding the Fourth Proportional to 757,088.51, 1,135,207.31 and 251,378.91

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Solution

The fourth proportional to 757,088.51, 1,135,207.31 and 251,378.91 is: 376,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,088.51 : 1,135,207.31 = 251,378.91 : x
  2. Step 2: Convert to fraction form
    757,088.51/1,135,207.31 = 251,378.91/x
  3. Step 3: Cross multiply
    757,088.51x = 1,135,207.31 × 251,378.91
  4. Step 4: Simplify right side
    757,088.51x = 285,367,174,954.94
  5. Step 5: Solve for x
    x = 285,367,174,954.94/757,088.51
  6. Step 6: Final answer
    x = 376,927.10

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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.