Home / 623,813.40-935,720.10-557,328.60

Finding the Fourth Proportional to 623,813.40, 935,720.10 and 557,328.60

Calculator

Solution

The fourth proportional to 623,813.40, 935,720.10 and 557,328.60 is: 835,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,813.40 : 935,720.10 = 557,328.60 : x
  2. Step 2: Convert to fraction form
    623,813.40/935,720.10 = 557,328.60/x
  3. Step 3: Cross multiply
    623,813.40x = 935,720.10 × 557,328.60
  4. Step 4: Simplify right side
    623,813.40x = 521,503,573,324.86
  5. Step 5: Solve for x
    x = 521,503,573,324.86/623,813.40
  6. Step 6: Final answer
    x = 835,992.90

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.