Home / 509,659.63-703,338.29-280,226.86

Finding the Fourth Proportional to 509,659.63, 703,338.29 and 280,226.86

Calculator

Solution

The fourth proportional to 509,659.63, 703,338.29 and 280,226.86 is: 386,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,659.63 : 703,338.29 = 280,226.86 : x
  2. Step 2: Convert to fraction form
    509,659.63/703,338.29 = 280,226.86/x
  3. Step 3: Cross multiply
    509,659.63x = 703,338.29 × 280,226.86
  4. Step 4: Simplify right side
    509,659.63x = 197,094,278,415.84
  5. Step 5: Solve for x
    x = 197,094,278,415.84/509,659.63
  6. Step 6: Final answer
    x = 386,717.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.