Home / 287,580.30-431,370.45-271,250.70

Finding the Fourth Proportional to 287,580.30, 431,370.45 and 271,250.70

Calculator

Solution

The fourth proportional to 287,580.30, 431,370.45 and 271,250.70 is: 406,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,580.30 : 431,370.45 = 271,250.70 : x
  2. Step 2: Convert to fraction form
    287,580.30/431,370.45 = 271,250.70/x
  3. Step 3: Cross multiply
    287,580.30x = 431,370.45 × 271,250.70
  4. Step 4: Simplify right side
    287,580.30x = 117,009,536,521.82
  5. Step 5: Solve for x
    x = 117,009,536,521.82/287,580.30
  6. Step 6: Final answer
    x = 406,876.05

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.