Home / 530,033.46-731,322.50-309,236.33

Finding the Fourth Proportional to 530,033.46, 731,322.50 and 309,236.33

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Solution

The fourth proportional to 530,033.46, 731,322.50 and 309,236.33 is: 426,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,033.46 : 731,322.50 = 309,236.33 : x
  2. Step 2: Convert to fraction form
    530,033.46/731,322.50 = 309,236.33/x
  3. Step 3: Cross multiply
    530,033.46x = 731,322.50 × 309,236.33
  4. Step 4: Simplify right side
    530,033.46x = 226,151,480,743.63
  5. Step 5: Solve for x
    x = 226,151,480,743.63/530,033.46
  6. Step 6: Final answer
    x = 426,673.97

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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.