Home / 379,568.02-523,814.45-209,813.06

Finding the Fourth Proportional to 379,568.02, 523,814.45 and 209,813.06

Calculator

Solution

The fourth proportional to 379,568.02, 523,814.45 and 209,813.06 is: 289,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,568.02 : 523,814.45 = 209,813.06 : x
  2. Step 2: Convert to fraction form
    379,568.02/523,814.45 = 209,813.06/x
  3. Step 3: Cross multiply
    379,568.02x = 523,814.45 × 209,813.06
  4. Step 4: Simplify right side
    379,568.02x = 109,903,112,626.72
  5. Step 5: Solve for x
    x = 109,903,112,626.72/379,568.02
  6. Step 6: Final answer
    x = 289,547.87

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.