Home / 922,911.40-1,384,367.10-291,874.60

Finding the Fourth Proportional to 922,911.40, 1,384,367.10 and 291,874.60

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Solution

The fourth proportional to 922,911.40, 1,384,367.10 and 291,874.60 is: 437,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,911.40 : 1,384,367.10 = 291,874.60 : x
  2. Step 2: Convert to fraction form
    922,911.40/1,384,367.10 = 291,874.60/x
  3. Step 3: Cross multiply
    922,911.40x = 1,384,367.10 × 291,874.60
  4. Step 4: Simplify right side
    922,911.40x = 404,061,593,565.66
  5. Step 5: Solve for x
    x = 404,061,593,565.66/922,911.40
  6. Step 6: Final answer
    x = 437,811.90

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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.