Home / 558,372.26-770,491.10-328,914.61

Finding the Fourth Proportional to 558,372.26, 770,491.10 and 328,914.61

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Solution

The fourth proportional to 558,372.26, 770,491.10 and 328,914.61 is: 453,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,372.26 : 770,491.10 = 328,914.61 : x
  2. Step 2: Convert to fraction form
    558,372.26/770,491.10 = 328,914.61/x
  3. Step 3: Cross multiply
    558,372.26x = 770,491.10 × 328,914.61
  4. Step 4: Simplify right side
    558,372.26x = 253,425,778,561.03
  5. Step 5: Solve for x
    x = 253,425,778,561.03/558,372.26
  6. Step 6: Final answer
    x = 453,865.27

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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.