Home / 690,879.45-1,036,319.18-241,450.95

Finding the Fourth Proportional to 690,879.45, 1,036,319.18 and 241,450.95

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Solution

The fourth proportional to 690,879.45, 1,036,319.18 and 241,450.95 is: 362,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,879.45 : 1,036,319.18 = 241,450.95 : x
  2. Step 2: Convert to fraction form
    690,879.45/1,036,319.18 = 241,450.95/x
  3. Step 3: Cross multiply
    690,879.45x = 1,036,319.18 × 241,450.95
  4. Step 4: Simplify right side
    690,879.45x = 250,220,250,514.22
  5. Step 5: Solve for x
    x = 250,220,250,514.22/690,879.45
  6. Step 6: Final answer
    x = 362,176.43

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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.