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Finding the Fourth Proportional to 550,941.48, 760,103.87 and 360,065.52

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Solution

The fourth proportional to 550,941.48, 760,103.87 and 360,065.52 is: 496,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,941.48 : 760,103.87 = 360,065.52 : x
  2. Step 2: Convert to fraction form
    550,941.48/760,103.87 = 360,065.52/x
  3. Step 3: Cross multiply
    550,941.48x = 760,103.87 × 360,065.52
  4. Step 4: Simplify right side
    550,941.48x = 273,687,193,405.24
  5. Step 5: Solve for x
    x = 273,687,193,405.24/550,941.48
  6. Step 6: Final answer
    x = 496,762.73

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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.