Home / 494,748.20-742,122.30-162,324.20

Finding the Fourth Proportional to 494,748.20, 742,122.30 and 162,324.20

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Solution

The fourth proportional to 494,748.20, 742,122.30 and 162,324.20 is: 243,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,748.20 : 742,122.30 = 162,324.20 : x
  2. Step 2: Convert to fraction form
    494,748.20/742,122.30 = 162,324.20/x
  3. Step 3: Cross multiply
    494,748.20x = 742,122.30 × 162,324.20
  4. Step 4: Simplify right side
    494,748.20x = 120,464,408,649.66
  5. Step 5: Solve for x
    x = 120,464,408,649.66/494,748.20
  6. Step 6: Final answer
    x = 243,486.30

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Half scale
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Double scale
Find fourth proportional to 494,749.20, 742,123.80 and 162,325.20
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.