Home / 726,655.83-1,090,158.79-228,019.83

Finding the Fourth Proportional to 726,655.83, 1,090,158.79 and 228,019.83

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Solution

The fourth proportional to 726,655.83, 1,090,158.79 and 228,019.83 is: 342,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,655.83 : 1,090,158.79 = 228,019.83 : x
  2. Step 2: Convert to fraction form
    726,655.83/1,090,158.79 = 228,019.83/x
  3. Step 3: Cross multiply
    726,655.83x = 1,090,158.79 × 228,019.83
  4. Step 4: Simplify right side
    726,655.83x = 248,577,821,968.81
  5. Step 5: Solve for x
    x = 248,577,821,968.81/726,655.83
  6. Step 6: Final answer
    x = 342,084.67

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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.