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Finding the Fourth Proportional to 494,804.20, 742,206.30 and 376,706.20

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Solution

The fourth proportional to 494,804.20, 742,206.30 and 376,706.20 is: 565,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,804.20 : 742,206.30 = 376,706.20 : x
  2. Step 2: Convert to fraction form
    494,804.20/742,206.30 = 376,706.20/x
  3. Step 3: Cross multiply
    494,804.20x = 742,206.30 × 376,706.20
  4. Step 4: Simplify right side
    494,804.20x = 279,593,714,889.06
  5. Step 5: Solve for x
    x = 279,593,714,889.06/494,804.20
  6. Step 6: Final answer
    x = 565,059.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.