Home / 639,409.65-882,385.38-352,929.81

Finding the Fourth Proportional to 639,409.65, 882,385.38 and 352,929.81

Calculator

Solution

The fourth proportional to 639,409.65, 882,385.38 and 352,929.81 is: 487,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,409.65 : 882,385.38 = 352,929.81 : x
  2. Step 2: Convert to fraction form
    639,409.65/882,385.38 = 352,929.81/x
  3. Step 3: Cross multiply
    639,409.65x = 882,385.38 × 352,929.81
  4. Step 4: Simplify right side
    639,409.65x = 311,420,104,510.18
  5. Step 5: Solve for x
    x = 311,420,104,510.18/639,409.65
  6. Step 6: Final answer
    x = 487,043.17

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.