Home / 978,990.36-1,468,485.63-347,929.08

Finding the Fourth Proportional to 978,990.36, 1,468,485.63 and 347,929.08

Calculator

Solution

The fourth proportional to 978,990.36, 1,468,485.63 and 347,929.08 is: 521,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,990.36 : 1,468,485.63 = 347,929.08 : x
  2. Step 2: Convert to fraction form
    978,990.36/1,468,485.63 = 347,929.08/x
  3. Step 3: Cross multiply
    978,990.36x = 1,468,485.63 × 347,929.08
  4. Step 4: Simplify right side
    978,990.36x = 510,928,854,239.12
  5. Step 5: Solve for x
    x = 510,928,854,239.12/978,990.36
  6. Step 6: Final answer
    x = 521,893.65

Related Problems

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.