Home / 802,996.50-1,108,175.76-440,454.09

Finding the Fourth Proportional to 802,996.50, 1,108,175.76 and 440,454.09

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Solution

The fourth proportional to 802,996.50, 1,108,175.76 and 440,454.09 is: 607,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,996.50 : 1,108,175.76 = 440,454.09 : x
  2. Step 2: Convert to fraction form
    802,996.50/1,108,175.76 = 440,454.09/x
  3. Step 3: Cross multiply
    802,996.50x = 1,108,175.76 × 440,454.09
  4. Step 4: Simplify right side
    802,996.50x = 488,100,545,930.86
  5. Step 5: Solve for x
    x = 488,100,545,930.86/802,996.50
  6. Step 6: Final answer
    x = 607,848.91

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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.