Home / 854,815.30-1,282,338.15-294,021.70

Finding the Fourth Proportional to 854,815.30, 1,282,338.15 and 294,021.70

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Solution

The fourth proportional to 854,815.30, 1,282,338.15 and 294,021.70 is: 441,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,815.30 : 1,282,338.15 = 294,021.70 : x
  2. Step 2: Convert to fraction form
    854,815.30/1,282,338.15 = 294,021.70/x
  3. Step 3: Cross multiply
    854,815.30x = 1,282,338.15 × 294,021.70
  4. Step 4: Simplify right side
    854,815.30x = 377,035,242,837.86
  5. Step 5: Solve for x
    x = 377,035,242,837.86/854,815.30
  6. Step 6: Final answer
    x = 441,072.17

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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.