Home / 413,815.20-620,795.70-147,730.20

Finding the Fourth Proportional to 413,815.20, 620,795.70 and 147,730.20

Calculator

Solution

The fourth proportional to 413,815.20, 620,795.70 and 147,730.20 is: 221,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,815.20 : 620,795.70 = 147,730.20 : x
  2. Step 2: Convert to fraction form
    413,815.20/620,795.70 = 147,730.20/x
  3. Step 3: Cross multiply
    413,815.20x = 620,795.70 × 147,730.20
  4. Step 4: Simplify right side
    413,815.20x = 91,710,272,920.14
  5. Step 5: Solve for x
    x = 91,710,272,920.14/413,815.20
  6. Step 6: Final answer
    x = 221,621.32

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.