Home / 839,429.16-1,259,389.38-270,799.32

Finding the Fourth Proportional to 839,429.16, 1,259,389.38 and 270,799.32

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Solution

The fourth proportional to 839,429.16, 1,259,389.38 and 270,799.32 is: 406,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,429.16 : 1,259,389.38 = 270,799.32 : x
  2. Step 2: Convert to fraction form
    839,429.16/1,259,389.38 = 270,799.32/x
  3. Step 3: Cross multiply
    839,429.16x = 1,259,389.38 × 270,799.32
  4. Step 4: Simplify right side
    839,429.16x = 341,041,787,719.22
  5. Step 5: Solve for x
    x = 341,041,787,719.22/839,429.16
  6. Step 6: Final answer
    x = 406,278.22

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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.