Home / 836,400.84-1,254,625.85-205,314.63

Finding the Fourth Proportional to 836,400.84, 1,254,625.85 and 205,314.63

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Solution

The fourth proportional to 836,400.84, 1,254,625.85 and 205,314.63 is: 307,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,400.84 : 1,254,625.85 = 205,314.63 : x
  2. Step 2: Convert to fraction form
    836,400.84/1,254,625.85 = 205,314.63/x
  3. Step 3: Cross multiply
    836,400.84x = 1,254,625.85 × 205,314.63
  4. Step 4: Simplify right side
    836,400.84x = 257,593,042,181.19
  5. Step 5: Solve for x
    x = 257,593,042,181.19/836,400.84
  6. Step 6: Final answer
    x = 307,977.98

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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.