Home / 289,678.60-434,517.90-264,795.40

Finding the Fourth Proportional to 289,678.60, 434,517.90 and 264,795.40

Calculator

Solution

The fourth proportional to 289,678.60, 434,517.90 and 264,795.40 is: 397,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,678.60 : 434,517.90 = 264,795.40 : x
  2. Step 2: Convert to fraction form
    289,678.60/434,517.90 = 264,795.40/x
  3. Step 3: Cross multiply
    289,678.60x = 434,517.90 × 264,795.40
  4. Step 4: Simplify right side
    289,678.60x = 115,058,341,137.66
  5. Step 5: Solve for x
    x = 115,058,341,137.66/289,678.60
  6. Step 6: Final answer
    x = 397,193.10

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.