Home / 572,805.20-860,125.80-455,452.40

Finding the Fourth Proportional to 572,805.20, 860,125.80 and 455,452.40

Calculator

Solution

The fourth proportional to 572,805.20, 860,125.80 and 455,452.40 is: 683,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,805.20 : 860,125.80 = 455,452.40 : x
  2. Step 2: Convert to fraction form
    572,805.20/860,125.80 = 455,452.40/x
  3. Step 3: Cross multiply
    572,805.20x = 860,125.80 × 455,452.40
  4. Step 4: Simplify right side
    572,805.20x = 391,746,359,911.92
  5. Step 5: Solve for x
    x = 391,746,359,911.92/572,805.20
  6. Step 6: Final answer
    x = 683,908.53

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.