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Finding the Fourth Proportional to 435,222.40, 652,833.60 and 403,729.60

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Solution

The fourth proportional to 435,222.40, 652,833.60 and 403,729.60 is: 605,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,222.40 : 652,833.60 = 403,729.60 : x
  2. Step 2: Convert to fraction form
    435,222.40/652,833.60 = 403,729.60/x
  3. Step 3: Cross multiply
    435,222.40x = 652,833.60 × 403,729.60
  4. Step 4: Simplify right side
    435,222.40x = 263,568,248,194.56
  5. Step 5: Solve for x
    x = 263,568,248,194.56/435,222.40
  6. Step 6: Final answer
    x = 605,594.40

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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.