Home / 618,431.65-927,000.03-258,808.55

Finding the Fourth Proportional to 618,431.65, 927,000.03 and 258,808.55

Calculator

Solution

The fourth proportional to 618,431.65, 927,000.03 and 258,808.55 is: 387,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,431.65 : 927,000.03 = 258,808.55 : x
  2. Step 2: Convert to fraction form
    618,431.65/927,000.03 = 258,808.55/x
  3. Step 3: Cross multiply
    618,431.65x = 927,000.03 × 258,808.55
  4. Step 4: Simplify right side
    618,431.65x = 239,915,528,332.24
  5. Step 5: Solve for x
    x = 239,915,528,332.24/618,431.65
  6. Step 6: Final answer
    x = 387,941.87

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.