Home / 922,209.30-1,383,197.31-291,186.90

Finding the Fourth Proportional to 922,209.30, 1,383,197.31 and 291,186.90

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Solution

The fourth proportional to 922,209.30, 1,383,197.31 and 291,186.90 is: 436,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,209.30 : 1,383,197.31 = 291,186.90 : x
  2. Step 2: Convert to fraction form
    922,209.30/1,383,197.31 = 291,186.90/x
  3. Step 3: Cross multiply
    922,209.30x = 1,383,197.31 × 291,186.90
  4. Step 4: Simplify right side
    922,209.30x = 402,768,936,787.24
  5. Step 5: Solve for x
    x = 402,768,936,787.24/922,209.30
  6. Step 6: Final answer
    x = 436,743.52

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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.