Home / 854,814.80-1,282,337.40-294,021.20

Finding the Fourth Proportional to 854,814.80, 1,282,337.40 and 294,021.20

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Solution

The fourth proportional to 854,814.80, 1,282,337.40 and 294,021.20 is: 441,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,814.80 : 1,282,337.40 = 294,021.20 : x
  2. Step 2: Convert to fraction form
    854,814.80/1,282,337.40 = 294,021.20/x
  3. Step 3: Cross multiply
    854,814.80x = 1,282,337.40 × 294,021.20
  4. Step 4: Simplify right side
    854,814.80x = 377,034,381,152.88
  5. Step 5: Solve for x
    x = 377,034,381,152.88/854,814.80
  6. Step 6: Final answer
    x = 441,071.42

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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.