Home / 773,288.25-1,158,380.28-394,193.67

Finding the Fourth Proportional to 773,288.25, 1,158,380.28 and 394,193.67

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Solution

The fourth proportional to 773,288.25, 1,158,380.28 and 394,193.67 is: 590,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,288.25 : 1,158,380.28 = 394,193.67 : x
  2. Step 2: Convert to fraction form
    773,288.25/1,158,380.28 = 394,193.67/x
  3. Step 3: Cross multiply
    773,288.25x = 1,158,380.28 × 394,193.67
  4. Step 4: Simplify right side
    773,288.25x = 456,626,173,828.83
  5. Step 5: Solve for x
    x = 456,626,173,828.83/773,288.25
  6. Step 6: Final answer
    x = 590,499.30

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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.