Home / 530,347.37-731,954.75-300,961.17

Finding the Fourth Proportional to 530,347.37, 731,954.75 and 300,961.17

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Solution

The fourth proportional to 530,347.37, 731,954.75 and 300,961.17 is: 415,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,347.37 : 731,954.75 = 300,961.17 : x
  2. Step 2: Convert to fraction form
    530,347.37/731,954.75 = 300,961.17/x
  3. Step 3: Cross multiply
    530,347.37x = 731,954.75 × 300,961.17
  4. Step 4: Simplify right side
    530,347.37x = 220,289,956,442.25
  5. Step 5: Solve for x
    x = 220,289,956,442.25/530,347.37
  6. Step 6: Final answer
    x = 415,369.19

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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.