Home / 804,929.60-1,205,644.80-488,835.20

Finding the Fourth Proportional to 804,929.60, 1,205,644.80 and 488,835.20

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Solution

The fourth proportional to 804,929.60, 1,205,644.80 and 488,835.20 is: 732,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,929.60 : 1,205,644.80 = 488,835.20 : x
  2. Step 2: Convert to fraction form
    804,929.60/1,205,644.80 = 488,835.20/x
  3. Step 3: Cross multiply
    804,929.60x = 1,205,644.80 × 488,835.20
  4. Step 4: Simplify right side
    804,929.60x = 589,361,616,936.96
  5. Step 5: Solve for x
    x = 589,361,616,936.96/804,929.60
  6. Step 6: Final answer
    x = 732,190.26

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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.