Home / 353,901.40-530,852.10-339,904.60

Finding the Fourth Proportional to 353,901.40, 530,852.10 and 339,904.60

Calculator

Solution

The fourth proportional to 353,901.40, 530,852.10 and 339,904.60 is: 509,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,901.40 : 530,852.10 = 339,904.60 : x
  2. Step 2: Convert to fraction form
    353,901.40/530,852.10 = 339,904.60/x
  3. Step 3: Cross multiply
    353,901.40x = 530,852.10 × 339,904.60
  4. Step 4: Simplify right side
    353,901.40x = 180,439,070,709.66
  5. Step 5: Solve for x
    x = 180,439,070,709.66/353,901.40
  6. Step 6: Final answer
    x = 509,856.90

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.