Home / 877.13-1,210.45-567.17

Finding the Fourth Proportional to 877.13, 1,210.45 and 567.17

Calculator

Solution

The fourth proportional to 877.13, 1,210.45 and 567.17 is: 782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.13 : 1,210.45 = 567.17 : x
  2. Step 2: Convert to fraction form
    877.13/1,210.45 = 567.17/x
  3. Step 3: Cross multiply
    877.13x = 1,210.45 × 567.17
  4. Step 4: Simplify right side
    877.13x = 686,530.93
  5. Step 5: Solve for x
    x = 686,530.93/877.13
  6. Step 6: Final answer
    x = 782.70

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.