Home / 718,182.17-1,076,942.04-212,562.35

Finding the Fourth Proportional to 718,182.17, 1,076,942.04 and 212,562.35

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Solution

The fourth proportional to 718,182.17, 1,076,942.04 and 212,562.35 is: 318,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,182.17 : 1,076,942.04 = 212,562.35 : x
  2. Step 2: Convert to fraction form
    718,182.17/1,076,942.04 = 212,562.35/x
  3. Step 3: Cross multiply
    718,182.17x = 1,076,942.04 × 212,562.35
  4. Step 4: Simplify right side
    718,182.17x = 228,917,325,451.48
  5. Step 5: Solve for x
    x = 228,917,325,451.48/718,182.17
  6. Step 6: Final answer
    x = 318,745.49

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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.