Home / 474,812.80-712,219.20-423,203.20

Finding the Fourth Proportional to 474,812.80, 712,219.20 and 423,203.20

Calculator

Solution

The fourth proportional to 474,812.80, 712,219.20 and 423,203.20 is: 634,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,812.80 : 712,219.20 = 423,203.20 : x
  2. Step 2: Convert to fraction form
    474,812.80/712,219.20 = 423,203.20/x
  3. Step 3: Cross multiply
    474,812.80x = 712,219.20 × 423,203.20
  4. Step 4: Simplify right side
    474,812.80x = 301,413,444,541.44
  5. Step 5: Solve for x
    x = 301,413,444,541.44/474,812.80
  6. Step 6: Final answer
    x = 634,804.80

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.