Home / 612,026.22-919,589.31-387,492.24

Finding the Fourth Proportional to 612,026.22, 919,589.31 and 387,492.24

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Solution

The fourth proportional to 612,026.22, 919,589.31 and 387,492.24 is: 582,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,026.22 : 919,589.31 = 387,492.24 : x
  2. Step 2: Convert to fraction form
    612,026.22/919,589.31 = 387,492.24/x
  3. Step 3: Cross multiply
    612,026.22x = 919,589.31 × 387,492.24
  4. Step 4: Simplify right side
    612,026.22x = 356,333,721,611.95
  5. Step 5: Solve for x
    x = 356,333,721,611.95/612,026.22
  6. Step 6: Final answer
    x = 582,219.70

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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.