Home / 328,892.30-493,338.47-79,574.30

Finding the Fourth Proportional to 328,892.30, 493,338.47 and 79,574.30

Calculator

Solution

The fourth proportional to 328,892.30, 493,338.47 and 79,574.30 is: 119,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,892.30 : 493,338.47 = 79,574.30 : x
  2. Step 2: Convert to fraction form
    328,892.30/493,338.47 = 79,574.30/x
  3. Step 3: Cross multiply
    328,892.30x = 493,338.47 × 79,574.30
  4. Step 4: Simplify right side
    328,892.30x = 39,257,061,473.77
  5. Step 5: Solve for x
    x = 39,257,061,473.77/328,892.30
  6. Step 6: Final answer
    x = 119,361.45

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.