Home / 876,905.37-1,210,231.53-729,469.80

Finding the Fourth Proportional to 876,905.37, 1,210,231.53 and 729,469.80

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Solution

The fourth proportional to 876,905.37, 1,210,231.53 and 729,469.80 is: 1,006,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,905.37 : 1,210,231.53 = 729,469.80 : x
  2. Step 2: Convert to fraction form
    876,905.37/1,210,231.53 = 729,469.80/x
  3. Step 3: Cross multiply
    876,905.37x = 1,210,231.53 × 729,469.80
  4. Step 4: Simplify right side
    876,905.37x = 882,827,352,142.79
  5. Step 5: Solve for x
    x = 882,827,352,142.79/876,905.37
  6. Step 6: Final answer
    x = 1,006,753.27

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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.