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Finding the Fourth Proportional to 530,067.06, 731,327.40 and 300,606.30

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Solution

The fourth proportional to 530,067.06, 731,327.40 and 300,606.30 is: 414,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,067.06 : 731,327.40 = 300,606.30 : x
  2. Step 2: Convert to fraction form
    530,067.06/731,327.40 = 300,606.30/x
  3. Step 3: Cross multiply
    530,067.06x = 731,327.40 × 300,606.30
  4. Step 4: Simplify right side
    530,067.06x = 219,841,623,802.62
  5. Step 5: Solve for x
    x = 219,841,623,802.62/530,067.06
  6. Step 6: Final answer
    x = 414,743.04

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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.