Home / 478,630.80-717,946.20-163,011.60

Finding the Fourth Proportional to 478,630.80, 717,946.20 and 163,011.60

Calculator

Solution

The fourth proportional to 478,630.80, 717,946.20 and 163,011.60 is: 244,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,630.80 : 717,946.20 = 163,011.60 : x
  2. Step 2: Convert to fraction form
    478,630.80/717,946.20 = 163,011.60/x
  3. Step 3: Cross multiply
    478,630.80x = 717,946.20 × 163,011.60
  4. Step 4: Simplify right side
    478,630.80x = 117,033,558,775.92
  5. Step 5: Solve for x
    x = 117,033,558,775.92/478,630.80
  6. Step 6: Final answer
    x = 244,517.40

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.