Home / 506-753.98-451.50

Finding the Fourth Proportional to 506, 753.98 and 451.50

Calculator

Solution

The fourth proportional to 506, 753.98 and 451.50 is: 672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506 : 753.98 = 451.50 : x
  2. Step 2: Convert to fraction form
    506/753.98 = 451.50/x
  3. Step 3: Cross multiply
    506x = 753.98 × 451.50
  4. Step 4: Simplify right side
    506x = 340,421.97
  5. Step 5: Solve for x
    x = 340,421.97/506
  6. Step 6: Final answer
    x = 672.77

Related Problems

Find fourth proportional to 253, 376.99 and 225.75
Half scale
Find fourth proportional to 1,012, 1,507.96 and 903
Double scale
Find fourth proportional to 507, 755.47 and 452.50
Similar ratio
Find fourth proportional to 759, 1,130.97 and 677.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.