Home / 529,848.72-731,210.42-303,537.96

Finding the Fourth Proportional to 529,848.72, 731,210.42 and 303,537.96

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Solution

The fourth proportional to 529,848.72, 731,210.42 and 303,537.96 is: 418,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,848.72 : 731,210.42 = 303,537.96 : x
  2. Step 2: Convert to fraction form
    529,848.72/731,210.42 = 303,537.96/x
  3. Step 3: Cross multiply
    529,848.72x = 731,210.42 × 303,537.96
  4. Step 4: Simplify right side
    529,848.72x = 221,950,119,217.54
  5. Step 5: Solve for x
    x = 221,950,119,217.54/529,848.72
  6. Step 6: Final answer
    x = 418,893.38

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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.