Home / 920,733.80-1,270,676.54-558,172.94

Finding the Fourth Proportional to 920,733.80, 1,270,676.54 and 558,172.94

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Solution

The fourth proportional to 920,733.80, 1,270,676.54 and 558,172.94 is: 770,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,733.80 : 1,270,676.54 = 558,172.94 : x
  2. Step 2: Convert to fraction form
    920,733.80/1,270,676.54 = 558,172.94/x
  3. Step 3: Cross multiply
    920,733.80x = 1,270,676.54 × 558,172.94
  4. Step 4: Simplify right side
    920,733.80x = 709,257,250,976.58
  5. Step 5: Solve for x
    x = 709,257,250,976.58/920,733.80
  6. Step 6: Final answer
    x = 770,317.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.