Home / 970,611.43-1,455,920.90-296,690.12

Finding the Fourth Proportional to 970,611.43, 1,455,920.90 and 296,690.12

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Solution

The fourth proportional to 970,611.43, 1,455,920.90 and 296,690.12 is: 445,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,611.43 : 1,455,920.90 = 296,690.12 : x
  2. Step 2: Convert to fraction form
    970,611.43/1,455,920.90 = 296,690.12/x
  3. Step 3: Cross multiply
    970,611.43x = 1,455,920.90 × 296,690.12
  4. Step 4: Simplify right side
    970,611.43x = 431,957,339,993.63
  5. Step 5: Solve for x
    x = 431,957,339,993.63/970,611.43
  6. Step 6: Final answer
    x = 445,036.32

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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.