Home / 384,013.60-576,020.40-371,111.20

Finding the Fourth Proportional to 384,013.60, 576,020.40 and 371,111.20

Calculator

Solution

The fourth proportional to 384,013.60, 576,020.40 and 371,111.20 is: 556,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,013.60 : 576,020.40 = 371,111.20 : x
  2. Step 2: Convert to fraction form
    384,013.60/576,020.40 = 371,111.20/x
  3. Step 3: Cross multiply
    384,013.60x = 576,020.40 × 371,111.20
  4. Step 4: Simplify right side
    384,013.60x = 213,767,621,868.48
  5. Step 5: Solve for x
    x = 213,767,621,868.48/384,013.60
  6. Step 6: Final answer
    x = 556,666.80

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.