Home / 987.98-1,482.03-500.49

Finding the Fourth Proportional to 987.98, 1,482.03 and 500.49

Calculator

Solution

The fourth proportional to 987.98, 1,482.03 and 500.49 is: 750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    987.98 : 1,482.03 = 500.49 : x
  2. Step 2: Convert to fraction form
    987.98/1,482.03 = 500.49/x
  3. Step 3: Cross multiply
    987.98x = 1,482.03 × 500.49
  4. Step 4: Simplify right side
    987.98x = 741,741.19
  5. Step 5: Solve for x
    x = 741,741.19/987.98
  6. Step 6: Final answer
    x = 750.77

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.