Home / 617,109.33-851,689.77-345,192.33

Finding the Fourth Proportional to 617,109.33, 851,689.77 and 345,192.33

Calculator

Solution

The fourth proportional to 617,109.33, 851,689.77 and 345,192.33 is: 476,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,109.33 : 851,689.77 = 345,192.33 : x
  2. Step 2: Convert to fraction form
    617,109.33/851,689.77 = 345,192.33/x
  3. Step 3: Cross multiply
    617,109.33x = 851,689.77 × 345,192.33
  4. Step 4: Simplify right side
    617,109.33x = 293,996,776,143.46
  5. Step 5: Solve for x
    x = 293,996,776,143.46/617,109.33
  6. Step 6: Final answer
    x = 476,409.55

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.