Home / 749.58-1,034.86-501.72

Finding the Fourth Proportional to 749.58, 1,034.86 and 501.72

Calculator

Solution

The fourth proportional to 749.58, 1,034.86 and 501.72 is: 692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.58 : 1,034.86 = 501.72 : x
  2. Step 2: Convert to fraction form
    749.58/1,034.86 = 501.72/x
  3. Step 3: Cross multiply
    749.58x = 1,034.86 × 501.72
  4. Step 4: Simplify right side
    749.58x = 519,209.96
  5. Step 5: Solve for x
    x = 519,209.96/749.58
  6. Step 6: Final answer
    x = 692.67

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.