Home / 878,263.50-1,212,004.44-475,855.50

Finding the Fourth Proportional to 878,263.50, 1,212,004.44 and 475,855.50

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Solution

The fourth proportional to 878,263.50, 1,212,004.44 and 475,855.50 is: 656,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,263.50 : 1,212,004.44 = 475,855.50 : x
  2. Step 2: Convert to fraction form
    878,263.50/1,212,004.44 = 475,855.50/x
  3. Step 3: Cross multiply
    878,263.50x = 1,212,004.44 × 475,855.50
  4. Step 4: Simplify right side
    878,263.50x = 576,738,978,798.42
  5. Step 5: Solve for x
    x = 576,738,978,798.42/878,263.50
  6. Step 6: Final answer
    x = 656,681.03

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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.