Home / 859,918.68-1,290,033.18-354,203.64

Finding the Fourth Proportional to 859,918.68, 1,290,033.18 and 354,203.64

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Solution

The fourth proportional to 859,918.68, 1,290,033.18 and 354,203.64 is: 531,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,918.68 : 1,290,033.18 = 354,203.64 : x
  2. Step 2: Convert to fraction form
    859,918.68/1,290,033.18 = 354,203.64/x
  3. Step 3: Cross multiply
    859,918.68x = 1,290,033.18 × 354,203.64
  4. Step 4: Simplify right side
    859,918.68x = 456,934,448,076.78
  5. Step 5: Solve for x
    x = 456,934,448,076.78/859,918.68
  6. Step 6: Final answer
    x = 531,369.37

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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.