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Finding the Fourth Proportional to 701,175.58, 967,622.28 and 378,885.67

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Solution

The fourth proportional to 701,175.58, 967,622.28 and 378,885.67 is: 522,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,175.58 : 967,622.28 = 378,885.67 : x
  2. Step 2: Convert to fraction form
    701,175.58/967,622.28 = 378,885.67/x
  3. Step 3: Cross multiply
    701,175.58x = 967,622.28 × 378,885.67
  4. Step 4: Simplify right side
    701,175.58x = 366,618,209,132.19
  5. Step 5: Solve for x
    x = 366,618,209,132.19/701,175.58
  6. Step 6: Final answer
    x = 522,862.21

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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.