Home / 688,399.26-949,225.13-470,643.41

Finding the Fourth Proportional to 688,399.26, 949,225.13 and 470,643.41

Calculator

Solution

The fourth proportional to 688,399.26, 949,225.13 and 470,643.41 is: 648,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,399.26 : 949,225.13 = 470,643.41 : x
  2. Step 2: Convert to fraction form
    688,399.26/949,225.13 = 470,643.41/x
  3. Step 3: Cross multiply
    688,399.26x = 949,225.13 × 470,643.41
  4. Step 4: Simplify right side
    688,399.26x = 446,746,553,825.65
  5. Step 5: Solve for x
    x = 446,746,553,825.65/688,399.26
  6. Step 6: Final answer
    x = 648,964.32

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.