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Finding the Fourth Proportional to 650,023.20, 975,610.80 and 383,450.40

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Solution

The fourth proportional to 650,023.20, 975,610.80 and 383,450.40 is: 575,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,023.20 : 975,610.80 = 383,450.40 : x
  2. Step 2: Convert to fraction form
    650,023.20/975,610.80 = 383,450.40/x
  3. Step 3: Cross multiply
    650,023.20x = 975,610.80 × 383,450.40
  4. Step 4: Simplify right side
    650,023.20x = 374,098,351,504.32
  5. Step 5: Solve for x
    x = 374,098,351,504.32/650,023.20
  6. Step 6: Final answer
    x = 575,515.38

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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.