Home / 530,317.37-731,854.43-300,884.28

Finding the Fourth Proportional to 530,317.37, 731,854.43 and 300,884.28

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Solution

The fourth proportional to 530,317.37, 731,854.43 and 300,884.28 is: 415,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,317.37 : 731,854.43 = 300,884.28 : x
  2. Step 2: Convert to fraction form
    530,317.37/731,854.43 = 300,884.28/x
  3. Step 3: Cross multiply
    530,317.37x = 731,854.43 × 300,884.28
  4. Step 4: Simplify right side
    530,317.37x = 220,203,493,235.36
  5. Step 5: Solve for x
    x = 220,203,493,235.36/530,317.37
  6. Step 6: Final answer
    x = 415,229.64

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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.