Home / 527,879.35-728,756.16-412,913.72

Finding the Fourth Proportional to 527,879.35, 728,756.16 and 412,913.72

Calculator

Solution

The fourth proportional to 527,879.35, 728,756.16 and 412,913.72 is: 570,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,879.35 : 728,756.16 = 412,913.72 : x
  2. Step 2: Convert to fraction form
    527,879.35/728,756.16 = 412,913.72/x
  3. Step 3: Cross multiply
    527,879.35x = 728,756.16 × 412,913.72
  4. Step 4: Simplify right side
    527,879.35x = 300,913,411,968.63
  5. Step 5: Solve for x
    x = 300,913,411,968.63/527,879.35
  6. Step 6: Final answer
    x = 570,042.02

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.