Home / 765.59-1,056.47-416.25

Finding the Fourth Proportional to 765.59, 1,056.47 and 416.25

Calculator

Solution

The fourth proportional to 765.59, 1,056.47 and 416.25 is: 574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765.59 : 1,056.47 = 416.25 : x
  2. Step 2: Convert to fraction form
    765.59/1,056.47 = 416.25/x
  3. Step 3: Cross multiply
    765.59x = 1,056.47 × 416.25
  4. Step 4: Simplify right side
    765.59x = 439,753.56
  5. Step 5: Solve for x
    x = 439,753.56/765.59
  6. Step 6: Final answer
    x = 574.40

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.