Home / 711,626.95-1,067,441.42-290,902.82

Finding the Fourth Proportional to 711,626.95, 1,067,441.42 and 290,902.82

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Solution

The fourth proportional to 711,626.95, 1,067,441.42 and 290,902.82 is: 436,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,626.95 : 1,067,441.42 = 290,902.82 : x
  2. Step 2: Convert to fraction form
    711,626.95/1,067,441.42 = 290,902.82/x
  3. Step 3: Cross multiply
    711,626.95x = 1,067,441.42 × 290,902.82
  4. Step 4: Simplify right side
    711,626.95x = 310,521,722,658.67
  5. Step 5: Solve for x
    x = 310,521,722,658.67/711,626.95
  6. Step 6: Final answer
    x = 436,354.64

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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.