Home / 922,496.80-1,383,615.60-291,474.40

Finding the Fourth Proportional to 922,496.80, 1,383,615.60 and 291,474.40

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Solution

The fourth proportional to 922,496.80, 1,383,615.60 and 291,474.40 is: 437,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,496.80 : 1,383,615.60 = 291,474.40 : x
  2. Step 2: Convert to fraction form
    922,496.80/1,383,615.60 = 291,474.40/x
  3. Step 3: Cross multiply
    922,496.80x = 1,383,615.60 × 291,474.40
  4. Step 4: Simplify right side
    922,496.80x = 403,288,526,840.64
  5. Step 5: Solve for x
    x = 403,288,526,840.64/922,496.80
  6. Step 6: Final answer
    x = 437,170.65

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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.