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Finding the Fourth Proportional to 499,072.08, 748,794.12 and 299,535.60

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Solution

The fourth proportional to 499,072.08, 748,794.12 and 299,535.60 is: 449,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,072.08 : 748,794.12 = 299,535.60 : x
  2. Step 2: Convert to fraction form
    499,072.08/748,794.12 = 299,535.60/x
  3. Step 3: Cross multiply
    499,072.08x = 748,794.12 × 299,535.60
  4. Step 4: Simplify right side
    499,072.08x = 224,290,496,010.67
  5. Step 5: Solve for x
    x = 224,290,496,010.67/499,072.08
  6. Step 6: Final answer
    x = 449,415.03

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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.