Home / 839,433.79-1,259,396.39-270,804.07

Finding the Fourth Proportional to 839,433.79, 1,259,396.39 and 270,804.07

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Solution

The fourth proportional to 839,433.79, 1,259,396.39 and 270,804.07 is: 406,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,433.79 : 1,259,396.39 = 270,804.07 : x
  2. Step 2: Convert to fraction form
    839,433.79/1,259,396.39 = 270,804.07/x
  3. Step 3: Cross multiply
    839,433.79x = 1,259,396.39 × 270,804.07
  4. Step 4: Simplify right side
    839,433.79x = 341,049,668,155.31
  5. Step 5: Solve for x
    x = 341,049,668,155.31/839,433.79
  6. Step 6: Final answer
    x = 406,285.37

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1.5x scale

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.