Home / 768,112.82-1,059,915.30-423,942.41

Finding the Fourth Proportional to 768,112.82, 1,059,915.30 and 423,942.41

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Solution

The fourth proportional to 768,112.82, 1,059,915.30 and 423,942.41 is: 584,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,112.82 : 1,059,915.30 = 423,942.41 : x
  2. Step 2: Convert to fraction form
    768,112.82/1,059,915.30 = 423,942.41/x
  3. Step 3: Cross multiply
    768,112.82x = 1,059,915.30 × 423,942.41
  4. Step 4: Simplify right side
    768,112.82x = 449,343,041,378.30
  5. Step 5: Solve for x
    x = 449,343,041,378.30/768,112.82
  6. Step 6: Final answer
    x = 584,996.15

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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.