Home / 685,152.86-1,027,798.39-235,814.57

Finding the Fourth Proportional to 685,152.86, 1,027,798.39 and 235,814.57

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Solution

The fourth proportional to 685,152.86, 1,027,798.39 and 235,814.57 is: 353,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,152.86 : 1,027,798.39 = 235,814.57 : x
  2. Step 2: Convert to fraction form
    685,152.86/1,027,798.39 = 235,814.57/x
  3. Step 3: Cross multiply
    685,152.86x = 1,027,798.39 × 235,814.57
  4. Step 4: Simplify right side
    685,152.86x = 242,369,834,394.56
  5. Step 5: Solve for x
    x = 242,369,834,394.56/685,152.86
  6. Step 6: Final answer
    x = 353,745.64

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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.