Home / 379,273.21-523,521.76-301,890.80

Finding the Fourth Proportional to 379,273.21, 523,521.76 and 301,890.80

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Solution

The fourth proportional to 379,273.21, 523,521.76 and 301,890.80 is: 416,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,273.21 : 523,521.76 = 301,890.80 : x
  2. Step 2: Convert to fraction form
    379,273.21/523,521.76 = 301,890.80/x
  3. Step 3: Cross multiply
    379,273.21x = 523,521.76 × 301,890.80
  4. Step 4: Simplify right side
    379,273.21x = 158,046,402,943.81
  5. Step 5: Solve for x
    x = 158,046,402,943.81/379,273.21
  6. Step 6: Final answer
    x = 416,708.59

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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.