Home / 873,564.60-1,310,533.20-494,662.80

Finding the Fourth Proportional to 873,564.60, 1,310,533.20 and 494,662.80

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Solution

The fourth proportional to 873,564.60, 1,310,533.20 and 494,662.80 is: 742,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,564.60 : 1,310,533.20 = 494,662.80 : x
  2. Step 2: Convert to fraction form
    873,564.60/1,310,533.20 = 494,662.80/x
  3. Step 3: Cross multiply
    873,564.60x = 1,310,533.20 × 494,662.80
  4. Step 4: Simplify right side
    873,564.60x = 648,272,022,204.96
  5. Step 5: Solve for x
    x = 648,272,022,204.96/873,564.60
  6. Step 6: Final answer
    x = 742,099.69

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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.