Home / 762.40-1,051.66-563.04

Finding the Fourth Proportional to 762.40, 1,051.66 and 563.04

Calculator

Solution

The fourth proportional to 762.40, 1,051.66 and 563.04 is: 776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.40 : 1,051.66 = 563.04 : x
  2. Step 2: Convert to fraction form
    762.40/1,051.66 = 563.04/x
  3. Step 3: Cross multiply
    762.40x = 1,051.66 × 563.04
  4. Step 4: Simplify right side
    762.40x = 592,126.65
  5. Step 5: Solve for x
    x = 592,126.65/762.40
  6. Step 6: Final answer
    x = 776.66

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.