Home / 529,829.01-731,141.82-300,401.73

Finding the Fourth Proportional to 529,829.01, 731,141.82 and 300,401.73

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Solution

The fourth proportional to 529,829.01, 731,141.82 and 300,401.73 is: 414,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,829.01 : 731,141.82 = 300,401.73 : x
  2. Step 2: Convert to fraction form
    529,829.01/731,141.82 = 300,401.73/x
  3. Step 3: Cross multiply
    529,829.01x = 731,141.82 × 300,401.73
  4. Step 4: Simplify right side
    529,829.01x = 219,636,267,603.35
  5. Step 5: Solve for x
    x = 219,636,267,603.35/529,829.01
  6. Step 6: Final answer
    x = 414,541.79

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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.