Home / 783,978.75-1,175,857.47-251,430.66

Finding the Fourth Proportional to 783,978.75, 1,175,857.47 and 251,430.66

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Solution

The fourth proportional to 783,978.75, 1,175,857.47 and 251,430.66 is: 377,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,978.75 : 1,175,857.47 = 251,430.66 : x
  2. Step 2: Convert to fraction form
    783,978.75/1,175,857.47 = 251,430.66/x
  3. Step 3: Cross multiply
    783,978.75x = 1,175,857.47 × 251,430.66
  4. Step 4: Simplify right side
    783,978.75x = 295,646,619,748.03
  5. Step 5: Solve for x
    x = 295,646,619,748.03/783,978.75
  6. Step 6: Final answer
    x = 377,110.50

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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.