Home / 510,033.08-703,835.84-280,576.96

Finding the Fourth Proportional to 510,033.08, 703,835.84 and 280,576.96

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Solution

The fourth proportional to 510,033.08, 703,835.84 and 280,576.96 is: 387,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,033.08 : 703,835.84 = 280,576.96 : x
  2. Step 2: Convert to fraction form
    510,033.08/703,835.84 = 280,576.96/x
  3. Step 3: Cross multiply
    510,033.08x = 703,835.84 × 280,576.96
  4. Step 4: Simplify right side
    510,033.08x = 197,480,120,326.25
  5. Step 5: Solve for x
    x = 197,480,120,326.25/510,033.08
  6. Step 6: Final answer
    x = 387,190.81

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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.