Home / 648,791.28-972,498-382,677.12

Finding the Fourth Proportional to 648,791.28, 972,498 and 382,677.12

Calculator

Solution

The fourth proportional to 648,791.28, 972,498 and 382,677.12 is: 573,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,791.28 : 972,498 = 382,677.12 : x
  2. Step 2: Convert to fraction form
    648,791.28/972,498 = 382,677.12/x
  3. Step 3: Cross multiply
    648,791.28x = 972,498 × 382,677.12
  4. Step 4: Simplify right side
    648,791.28x = 372,152,733,845.76
  5. Step 5: Solve for x
    x = 372,152,733,845.76/648,791.28
  6. Step 6: Final answer
    x = 573,609.33

Related Problems

Find fourth proportional to 324,395.64, 486,249 and 191,338.56
Half scale
Find fourth proportional to 1,297,582.56, 1,944,996 and 765,354.24
Double scale
Find fourth proportional to 648,792.28, 972,499.50 and 382,678.12
Similar ratio
Find fourth proportional to 973,186.92, 1,458,747 and 574,015.68
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.