Home / 676,229.45-1,012,734-391,319.55

Finding the Fourth Proportional to 676,229.45, 1,012,734 and 391,319.55

Calculator

Solution

The fourth proportional to 676,229.45, 1,012,734 and 391,319.55 is: 586,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,229.45 : 1,012,734 = 391,319.55 : x
  2. Step 2: Convert to fraction form
    676,229.45/1,012,734 = 391,319.55/x
  3. Step 3: Cross multiply
    676,229.45x = 1,012,734 × 391,319.55
  4. Step 4: Simplify right side
    676,229.45x = 396,302,613,149.70
  5. Step 5: Solve for x
    x = 396,302,613,149.70/676,229.45
  6. Step 6: Final answer
    x = 586,047.55

Related Problems

Find fourth proportional to 338,114.73, 506,367 and 195,659.78
Half scale
Find fourth proportional to 1,352,458.91, 2,025,468 and 782,639.10
Double scale
Find fourth proportional to 676,230.45, 1,012,735.50 and 391,320.55
Similar ratio
Find fourth proportional to 1,014,344.18, 1,519,101 and 586,979.33
1.5x scale

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.