Home / 520,011.72-780,109.74-195,792.84

Finding the Fourth Proportional to 520,011.72, 780,109.74 and 195,792.84

Calculator

Solution

The fourth proportional to 520,011.72, 780,109.74 and 195,792.84 is: 293,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,011.72 : 780,109.74 = 195,792.84 : x
  2. Step 2: Convert to fraction form
    520,011.72/780,109.74 = 195,792.84/x
  3. Step 3: Cross multiply
    520,011.72x = 780,109.74 × 195,792.84
  4. Step 4: Simplify right side
    520,011.72x = 152,739,901,506.26
  5. Step 5: Solve for x
    x = 152,739,901,506.26/520,011.72
  6. Step 6: Final answer
    x = 293,723.96

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.