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Finding the Fourth Proportional to 403,453.20, 605,179.80 and 373,040.40

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Solution

The fourth proportional to 403,453.20, 605,179.80 and 373,040.40 is: 559,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,453.20 : 605,179.80 = 373,040.40 : x
  2. Step 2: Convert to fraction form
    403,453.20/605,179.80 = 373,040.40/x
  3. Step 3: Cross multiply
    403,453.20x = 605,179.80 × 373,040.40
  4. Step 4: Simplify right side
    403,453.20x = 225,756,514,663.92
  5. Step 5: Solve for x
    x = 225,756,514,663.92/403,453.20
  6. Step 6: Final answer
    x = 559,560.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.