Home / 630,360.19-869,829.99-354,713.23

Finding the Fourth Proportional to 630,360.19, 869,829.99 and 354,713.23

Calculator

Solution

The fourth proportional to 630,360.19, 869,829.99 and 354,713.23 is: 489,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,360.19 : 869,829.99 = 354,713.23 : x
  2. Step 2: Convert to fraction form
    630,360.19/869,829.99 = 354,713.23/x
  3. Step 3: Cross multiply
    630,360.19x = 869,829.99 × 354,713.23
  4. Step 4: Simplify right side
    630,360.19x = 308,540,203,530.20
  5. Step 5: Solve for x
    x = 308,540,203,530.20/630,360.19
  6. Step 6: Final answer
    x = 489,466.51

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.