Home / 530,320.26-731,858.41-300,887.15

Finding the Fourth Proportional to 530,320.26, 731,858.41 and 300,887.15

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Solution

The fourth proportional to 530,320.26, 731,858.41 and 300,887.15 is: 415,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,320.26 : 731,858.41 = 300,887.15 : x
  2. Step 2: Convert to fraction form
    530,320.26/731,858.41 = 300,887.15/x
  3. Step 3: Cross multiply
    530,320.26x = 731,858.41 × 300,887.15
  4. Step 4: Simplify right side
    530,320.26x = 220,206,789,684.00
  5. Step 5: Solve for x
    x = 220,206,789,684.00/530,320.26
  6. Step 6: Final answer
    x = 415,233.60

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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.