Home / 559,181.20-771,664.74-304,536.64

Finding the Fourth Proportional to 559,181.20, 771,664.74 and 304,536.64

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Solution

The fourth proportional to 559,181.20, 771,664.74 and 304,536.64 is: 420,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,181.20 : 771,664.74 = 304,536.64 : x
  2. Step 2: Convert to fraction form
    559,181.20/771,664.74 = 304,536.64/x
  3. Step 3: Cross multiply
    559,181.20x = 771,664.74 × 304,536.64
  4. Step 4: Simplify right side
    559,181.20x = 235,000,187,126.07
  5. Step 5: Solve for x
    x = 235,000,187,126.07/559,181.20
  6. Step 6: Final answer
    x = 420,257.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.