Home / 790,693.14-1,186,112.63-258,216.94

Finding the Fourth Proportional to 790,693.14, 1,186,112.63 and 258,216.94

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Solution

The fourth proportional to 790,693.14, 1,186,112.63 and 258,216.94 is: 387,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,693.14 : 1,186,112.63 = 258,216.94 : x
  2. Step 2: Convert to fraction form
    790,693.14/1,186,112.63 = 258,216.94/x
  3. Step 3: Cross multiply
    790,693.14x = 1,186,112.63 × 258,216.94
  4. Step 4: Simplify right side
    790,693.14x = 306,274,373,813.95
  5. Step 5: Solve for x
    x = 306,274,373,813.95/790,693.14
  6. Step 6: Final answer
    x = 387,349.22

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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.