Home / 486,702.60-671,642.46-271,845.78

Finding the Fourth Proportional to 486,702.60, 671,642.46 and 271,845.78

Calculator

Solution

The fourth proportional to 486,702.60, 671,642.46 and 271,845.78 is: 375,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,702.60 : 671,642.46 = 271,845.78 : x
  2. Step 2: Convert to fraction form
    486,702.60/671,642.46 = 271,845.78/x
  3. Step 3: Cross multiply
    486,702.60x = 671,642.46 × 271,845.78
  4. Step 4: Simplify right side
    486,702.60x = 182,583,168,419.82
  5. Step 5: Solve for x
    x = 182,583,168,419.82/486,702.60
  6. Step 6: Final answer
    x = 375,143.20

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.