Home / 693,489.64-957,012.57-387,565.80

Finding the Fourth Proportional to 693,489.64, 957,012.57 and 387,565.80

Calculator

Solution

The fourth proportional to 693,489.64, 957,012.57 and 387,565.80 is: 534,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,489.64 : 957,012.57 = 387,565.80 : x
  2. Step 2: Convert to fraction form
    693,489.64/957,012.57 = 387,565.80/x
  3. Step 3: Cross multiply
    693,489.64x = 957,012.57 × 387,565.80
  4. Step 4: Simplify right side
    693,489.64x = 370,905,342,302.11
  5. Step 5: Solve for x
    x = 370,905,342,302.11/693,489.64
  6. Step 6: Final answer
    x = 534,839.05

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.