Home / 647,999.80-971,562.30-344,444.20

Finding the Fourth Proportional to 647,999.80, 971,562.30 and 344,444.20

Calculator

Solution

The fourth proportional to 647,999.80, 971,562.30 and 344,444.20 is: 516,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,999.80 : 971,562.30 = 344,444.20 : x
  2. Step 2: Convert to fraction form
    647,999.80/971,562.30 = 344,444.20/x
  3. Step 3: Cross multiply
    647,999.80x = 971,562.30 × 344,444.20
  4. Step 4: Simplify right side
    647,999.80x = 334,648,999,173.66
  5. Step 5: Solve for x
    x = 334,648,999,173.66/647,999.80
  6. Step 6: Final answer
    x = 516,433.80

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.