Home / 726,742.24-1,090,287.84-228,106.24

Finding the Fourth Proportional to 726,742.24, 1,090,287.84 and 228,106.24

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Solution

The fourth proportional to 726,742.24, 1,090,287.84 and 228,106.24 is: 342,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,742.24 : 1,090,287.84 = 228,106.24 : x
  2. Step 2: Convert to fraction form
    726,742.24/1,090,287.84 = 228,106.24/x
  3. Step 3: Cross multiply
    726,742.24x = 1,090,287.84 × 228,106.24
  4. Step 4: Simplify right side
    726,742.24x = 248,701,459,700.12
  5. Step 5: Solve for x
    x = 248,701,459,700.12/726,742.24
  6. Step 6: Final answer
    x = 342,214.12

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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.