Home / 529,110.59-730,178.53-311,367.41

Finding the Fourth Proportional to 529,110.59, 730,178.53 and 311,367.41

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Solution

The fourth proportional to 529,110.59, 730,178.53 and 311,367.41 is: 429,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,110.59 : 730,178.53 = 311,367.41 : x
  2. Step 2: Convert to fraction form
    529,110.59/730,178.53 = 311,367.41/x
  3. Step 3: Cross multiply
    529,110.59x = 730,178.53 × 311,367.41
  4. Step 4: Simplify right side
    529,110.59x = 227,353,794,072.82
  5. Step 5: Solve for x
    x = 227,353,794,072.82/529,110.59
  6. Step 6: Final answer
    x = 429,690.50

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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.