Home / 685,005.17-1,026,385.72-364,817.09

Finding the Fourth Proportional to 685,005.17, 1,026,385.72 and 364,817.09

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Solution

The fourth proportional to 685,005.17, 1,026,385.72 and 364,817.09 is: 546,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,005.17 : 1,026,385.72 = 364,817.09 : x
  2. Step 2: Convert to fraction form
    685,005.17/1,026,385.72 = 364,817.09/x
  3. Step 3: Cross multiply
    685,005.17x = 1,026,385.72 × 364,817.09
  4. Step 4: Simplify right side
    685,005.17x = 374,443,053,241.88
  5. Step 5: Solve for x
    x = 374,443,053,241.88/685,005.17
  6. Step 6: Final answer
    x = 546,628.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.