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Finding the Fourth Proportional to 448,349.03, 671,575.07 and 362,591.90

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Solution

The fourth proportional to 448,349.03, 671,575.07 and 362,591.90 is: 543,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,349.03 : 671,575.07 = 362,591.90 : x
  2. Step 2: Convert to fraction form
    448,349.03/671,575.07 = 362,591.90/x
  3. Step 3: Cross multiply
    448,349.03x = 671,575.07 × 362,591.90
  4. Step 4: Simplify right side
    448,349.03x = 243,507,675,453.10
  5. Step 5: Solve for x
    x = 243,507,675,453.10/448,349.03
  6. Step 6: Final answer
    x = 543,120.79

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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.