Home / 693-956.34-382.50

Finding the Fourth Proportional to 693, 956.34 and 382.50

Calculator

Solution

The fourth proportional to 693, 956.34 and 382.50 is: 527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693 : 956.34 = 382.50 : x
  2. Step 2: Convert to fraction form
    693/956.34 = 382.50/x
  3. Step 3: Cross multiply
    693x = 956.34 × 382.50
  4. Step 4: Simplify right side
    693x = 365,800.05
  5. Step 5: Solve for x
    x = 365,800.05/693
  6. Step 6: Final answer
    x = 527.85

Related Problems

Find fourth proportional to 346.50, 478.17 and 191.25
Half scale
Find fourth proportional to 1,386, 1,912.68 and 765
Double scale
Find fourth proportional to 694, 957.72 and 383.50
Similar ratio
Find fourth proportional to 1,039.50, 1,434.51 and 573.75
1.5x scale

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.