Home / 916.50-1,264.83-502.50

Finding the Fourth Proportional to 916.50, 1,264.83 and 502.50

Calculator

Solution

The fourth proportional to 916.50, 1,264.83 and 502.50 is: 693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.50 : 1,264.83 = 502.50 : x
  2. Step 2: Convert to fraction form
    916.50/1,264.83 = 502.50/x
  3. Step 3: Cross multiply
    916.50x = 1,264.83 × 502.50
  4. Step 4: Simplify right side
    916.50x = 635,577.08
  5. Step 5: Solve for x
    x = 635,577.08/916.50
  6. Step 6: Final answer
    x = 693.48

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.