Home / 1,077,914.49-1,616,402.35-309,242.61

Finding the Fourth Proportional to 1,077,914.49, 1,616,402.35 and 309,242.61

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Solution

The fourth proportional to 1,077,914.49, 1,616,402.35 and 309,242.61 is: 463,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,914.49 : 1,616,402.35 = 309,242.61 : x
  2. Step 2: Convert to fraction form
    1,077,914.49/1,616,402.35 = 309,242.61/x
  3. Step 3: Cross multiply
    1,077,914.49x = 1,616,402.35 × 309,242.61
  4. Step 4: Simplify right side
    1,077,914.49x = 499,860,481,910.69
  5. Step 5: Solve for x
    x = 499,860,481,910.69/1,077,914.49
  6. Step 6: Final answer
    x = 463,729.26

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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.