Home / 878,263.25-1,212,004.10-475,855.25

Finding the Fourth Proportional to 878,263.25, 1,212,004.10 and 475,855.25

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Solution

The fourth proportional to 878,263.25, 1,212,004.10 and 475,855.25 is: 656,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,263.25 : 1,212,004.10 = 475,855.25 : x
  2. Step 2: Convert to fraction form
    878,263.25/1,212,004.10 = 475,855.25/x
  3. Step 3: Cross multiply
    878,263.25x = 1,212,004.10 × 475,855.25
  4. Step 4: Simplify right side
    878,263.25x = 576,738,511,627.25
  5. Step 5: Solve for x
    x = 576,738,511,627.25/878,263.25
  6. Step 6: Final answer
    x = 656,680.68

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1.5x scale

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.