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Finding the Fourth Proportional to 599,622.80, 899,693.40 and 304,134.80

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Solution

The fourth proportional to 599,622.80, 899,693.40 and 304,134.80 is: 456,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,622.80 : 899,693.40 = 304,134.80 : x
  2. Step 2: Convert to fraction form
    599,622.80/899,693.40 = 304,134.80/x
  3. Step 3: Cross multiply
    599,622.80x = 899,693.40 × 304,134.80
  4. Step 4: Simplify right side
    599,622.80x = 273,628,072,270.32
  5. Step 5: Solve for x
    x = 273,628,072,270.32/599,622.80
  6. Step 6: Final answer
    x = 456,333.67

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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.