Home / 807,835.85-1,211,784.54-302,343.61

Finding the Fourth Proportional to 807,835.85, 1,211,784.54 and 302,343.61

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Solution

The fourth proportional to 807,835.85, 1,211,784.54 and 302,343.61 is: 453,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,835.85 : 1,211,784.54 = 302,343.61 : x
  2. Step 2: Convert to fraction form
    807,835.85/1,211,784.54 = 302,343.61/x
  3. Step 3: Cross multiply
    807,835.85x = 1,211,784.54 × 302,343.61
  4. Step 4: Simplify right side
    807,835.85x = 366,375,309,336.33
  5. Step 5: Solve for x
    x = 366,375,309,336.33/807,835.85
  6. Step 6: Final answer
    x = 453,526.92

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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.