Home / 970,620.89-1,455,934.91-296,699.57

Finding the Fourth Proportional to 970,620.89, 1,455,934.91 and 296,699.57

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Solution

The fourth proportional to 970,620.89, 1,455,934.91 and 296,699.57 is: 445,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,620.89 : 1,455,934.91 = 296,699.57 : x
  2. Step 2: Convert to fraction form
    970,620.89/1,455,934.91 = 296,699.57/x
  3. Step 3: Cross multiply
    970,620.89x = 1,455,934.91 × 296,699.57
  4. Step 4: Simplify right side
    970,620.89x = 431,975,261,744.99
  5. Step 5: Solve for x
    x = 431,975,261,744.99/970,620.89
  6. Step 6: Final answer
    x = 445,050.45

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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.