Home / 624.72-861.52-526.64

Finding the Fourth Proportional to 624.72, 861.52 and 526.64

Calculator

Solution

The fourth proportional to 624.72, 861.52 and 526.64 is: 726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.72 : 861.52 = 526.64 : x
  2. Step 2: Convert to fraction form
    624.72/861.52 = 526.64/x
  3. Step 3: Cross multiply
    624.72x = 861.52 × 526.64
  4. Step 4: Simplify right side
    624.72x = 453,710.89
  5. Step 5: Solve for x
    x = 453,710.89/624.72
  6. Step 6: Final answer
    x = 726.26

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.