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Finding the Fourth Proportional to 499,580.87, 749,559.47 and 300,040.36

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Solution

The fourth proportional to 499,580.87, 749,559.47 and 300,040.36 is: 450,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,580.87 : 749,559.47 = 300,040.36 : x
  2. Step 2: Convert to fraction form
    499,580.87/749,559.47 = 300,040.36/x
  3. Step 3: Cross multiply
    499,580.87x = 749,559.47 × 300,040.36
  4. Step 4: Simplify right side
    499,580.87x = 224,898,089,846.11
  5. Step 5: Solve for x
    x = 224,898,089,846.11/499,580.87
  6. Step 6: Final answer
    x = 450,173.55

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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.