Home / 839,035.95-1,258,736.18-306,556.13

Finding the Fourth Proportional to 839,035.95, 1,258,736.18 and 306,556.13

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Solution

The fourth proportional to 839,035.95, 1,258,736.18 and 306,556.13 is: 459,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,035.95 : 1,258,736.18 = 306,556.13 : x
  2. Step 2: Convert to fraction form
    839,035.95/1,258,736.18 = 306,556.13/x
  3. Step 3: Cross multiply
    839,035.95x = 1,258,736.18 × 306,556.13
  4. Step 4: Simplify right side
    839,035.95x = 385,873,284,205.32
  5. Step 5: Solve for x
    x = 385,873,284,205.32/839,035.95
  6. Step 6: Final answer
    x = 459,900.78

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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.