Home / 864,590.55-1,297,060.78-303,668.79

Finding the Fourth Proportional to 864,590.55, 1,297,060.78 and 303,668.79

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Solution

The fourth proportional to 864,590.55, 1,297,060.78 and 303,668.79 is: 455,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,590.55 : 1,297,060.78 = 303,668.79 : x
  2. Step 2: Convert to fraction form
    864,590.55/1,297,060.78 = 303,668.79/x
  3. Step 3: Cross multiply
    864,590.55x = 1,297,060.78 × 303,668.79
  4. Step 4: Simplify right side
    864,590.55x = 393,876,877,619.06
  5. Step 5: Solve for x
    x = 393,876,877,619.06/864,590.55
  6. Step 6: Final answer
    x = 455,564.63

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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.