Home / 773,810.82-1,160,987.04-300,828.06

Finding the Fourth Proportional to 773,810.82, 1,160,987.04 and 300,828.06

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Solution

The fourth proportional to 773,810.82, 1,160,987.04 and 300,828.06 is: 451,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,810.82 : 1,160,987.04 = 300,828.06 : x
  2. Step 2: Convert to fraction form
    773,810.82/1,160,987.04 = 300,828.06/x
  3. Step 3: Cross multiply
    773,810.82x = 1,160,987.04 × 300,828.06
  4. Step 4: Simplify right side
    773,810.82x = 349,257,478,928.34
  5. Step 5: Solve for x
    x = 349,257,478,928.34/773,810.82
  6. Step 6: Final answer
    x = 451,347.37

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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.