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Finding the Fourth Proportional to 435,408.60, 652,248.90 and 383,453.40

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Solution

The fourth proportional to 435,408.60, 652,248.90 and 383,453.40 is: 574,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,408.60 : 652,248.90 = 383,453.40 : x
  2. Step 2: Convert to fraction form
    435,408.60/652,248.90 = 383,453.40/x
  3. Step 3: Cross multiply
    435,408.60x = 652,248.90 × 383,453.40
  4. Step 4: Simplify right side
    435,408.60x = 250,107,058,351.26
  5. Step 5: Solve for x
    x = 250,107,058,351.26/435,408.60
  6. Step 6: Final answer
    x = 574,419.20

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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.