Home / 630,757.30-870,725.01-427,103.86

Finding the Fourth Proportional to 630,757.30, 870,725.01 and 427,103.86

Calculator

Solution

The fourth proportional to 630,757.30, 870,725.01 and 427,103.86 is: 589,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,757.30 : 870,725.01 = 427,103.86 : x
  2. Step 2: Convert to fraction form
    630,757.30/870,725.01 = 427,103.86/x
  3. Step 3: Cross multiply
    630,757.30x = 870,725.01 × 427,103.86
  4. Step 4: Simplify right side
    630,757.30x = 371,890,012,769.54
  5. Step 5: Solve for x
    x = 371,890,012,769.54/630,757.30
  6. Step 6: Final answer
    x = 589,592.88

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.