Home / 859,622.48-1,185,093.44-685,782.55

Finding the Fourth Proportional to 859,622.48, 1,185,093.44 and 685,782.55

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Solution

The fourth proportional to 859,622.48, 1,185,093.44 and 685,782.55 is: 945,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,622.48 : 1,185,093.44 = 685,782.55 : x
  2. Step 2: Convert to fraction form
    859,622.48/1,185,093.44 = 685,782.55/x
  3. Step 3: Cross multiply
    859,622.48x = 1,185,093.44 × 685,782.55
  4. Step 4: Simplify right side
    859,622.48x = 812,716,401,271.47
  5. Step 5: Solve for x
    x = 812,716,401,271.47/859,622.48
  6. Step 6: Final answer
    x = 945,434.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.