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Finding the Fourth Proportional to 492,094.70, 738,142.05 and 403,448.30

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Solution

The fourth proportional to 492,094.70, 738,142.05 and 403,448.30 is: 605,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,094.70 : 738,142.05 = 403,448.30 : x
  2. Step 2: Convert to fraction form
    492,094.70/738,142.05 = 403,448.30/x
  3. Step 3: Cross multiply
    492,094.70x = 738,142.05 × 403,448.30
  4. Step 4: Simplify right side
    492,094.70x = 297,802,155,231.02
  5. Step 5: Solve for x
    x = 297,802,155,231.02/492,094.70
  6. Step 6: Final answer
    x = 605,172.45

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Similar ratio
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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.