Home / 549,579.18-823,295.52-378,770.34

Finding the Fourth Proportional to 549,579.18, 823,295.52 and 378,770.34

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Solution

The fourth proportional to 549,579.18, 823,295.52 and 378,770.34 is: 567,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,579.18 : 823,295.52 = 378,770.34 : x
  2. Step 2: Convert to fraction form
    549,579.18/823,295.52 = 378,770.34/x
  3. Step 3: Cross multiply
    549,579.18x = 823,295.52 × 378,770.34
  4. Step 4: Simplify right side
    549,579.18x = 311,839,924,030.88
  5. Step 5: Solve for x
    x = 311,839,924,030.88/549,579.18
  6. Step 6: Final answer
    x = 567,415.83

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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.