Home / 385,815.86-532,565.63-314,071.32

Finding the Fourth Proportional to 385,815.86, 532,565.63 and 314,071.32

Calculator

Solution

The fourth proportional to 385,815.86, 532,565.63 and 314,071.32 is: 433,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,815.86 : 532,565.63 = 314,071.32 : x
  2. Step 2: Convert to fraction form
    385,815.86/532,565.63 = 314,071.32/x
  3. Step 3: Cross multiply
    385,815.86x = 532,565.63 × 314,071.32
  4. Step 4: Simplify right side
    385,815.86x = 167,263,593,771.92
  5. Step 5: Solve for x
    x = 167,263,593,771.92/385,815.86
  6. Step 6: Final answer
    x = 433,532.19

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.