Home / 667,467.02-921,170.52-381,030.23

Finding the Fourth Proportional to 667,467.02, 921,170.52 and 381,030.23

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Solution

The fourth proportional to 667,467.02, 921,170.52 and 381,030.23 is: 525,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,467.02 : 921,170.52 = 381,030.23 : x
  2. Step 2: Convert to fraction form
    667,467.02/921,170.52 = 381,030.23/x
  3. Step 3: Cross multiply
    667,467.02x = 921,170.52 × 381,030.23
  4. Step 4: Simplify right side
    667,467.02x = 350,993,810,498.97
  5. Step 5: Solve for x
    x = 350,993,810,498.97/667,467.02
  6. Step 6: Final answer
    x = 525,859.41

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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.