Home / 733,643.37-1,012,438.20-443,214.56

Finding the Fourth Proportional to 733,643.37, 1,012,438.20 and 443,214.56

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Solution

The fourth proportional to 733,643.37, 1,012,438.20 and 443,214.56 is: 611,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,643.37 : 1,012,438.20 = 443,214.56 : x
  2. Step 2: Convert to fraction form
    733,643.37/1,012,438.20 = 443,214.56/x
  3. Step 3: Cross multiply
    733,643.37x = 1,012,438.20 × 443,214.56
  4. Step 4: Simplify right side
    733,643.37x = 448,727,351,340.19
  5. Step 5: Solve for x
    x = 448,727,351,340.19/733,643.37
  6. Step 6: Final answer
    x = 611,642.35

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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.