Home / 449,278.90-620,030.19-245,348.80

Finding the Fourth Proportional to 449,278.90, 620,030.19 and 245,348.80

Calculator

Solution

The fourth proportional to 449,278.90, 620,030.19 and 245,348.80 is: 338,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,278.90 : 620,030.19 = 245,348.80 : x
  2. Step 2: Convert to fraction form
    449,278.90/620,030.19 = 245,348.80/x
  3. Step 3: Cross multiply
    449,278.90x = 620,030.19 × 245,348.80
  4. Step 4: Simplify right side
    449,278.90x = 152,123,663,080.27
  5. Step 5: Solve for x
    x = 152,123,663,080.27/449,278.90
  6. Step 6: Final answer
    x = 338,595.16

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.