Home / 744,611.66-1,116,732.97-212,137.31

Finding the Fourth Proportional to 744,611.66, 1,116,732.97 and 212,137.31

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Solution

The fourth proportional to 744,611.66, 1,116,732.97 and 212,137.31 is: 318,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,611.66 : 1,116,732.97 = 212,137.31 : x
  2. Step 2: Convert to fraction form
    744,611.66/1,116,732.97 = 212,137.31/x
  3. Step 3: Cross multiply
    744,611.66x = 1,116,732.97 × 212,137.31
  4. Step 4: Simplify right side
    744,611.66x = 236,900,724,422.86
  5. Step 5: Solve for x
    x = 236,900,724,422.86/744,611.66
  6. Step 6: Final answer
    x = 318,153.39

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1.5x scale

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.