Home / 733,642.21-1,012,436.58-443,213.40

Finding the Fourth Proportional to 733,642.21, 1,012,436.58 and 443,213.40

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Solution

The fourth proportional to 733,642.21, 1,012,436.58 and 443,213.40 is: 611,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,642.21 : 1,012,436.58 = 443,213.40 : x
  2. Step 2: Convert to fraction form
    733,642.21/1,012,436.58 = 443,213.40/x
  3. Step 3: Cross multiply
    733,642.21x = 1,012,436.58 × 443,213.40
  4. Step 4: Simplify right side
    733,642.21x = 448,725,464,364.86
  5. Step 5: Solve for x
    x = 448,725,464,364.86/733,642.21
  6. Step 6: Final answer
    x = 611,640.74

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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.