Home / 883,359.20-1,323,483.60-724,728.80

Finding the Fourth Proportional to 883,359.20, 1,323,483.60 and 724,728.80

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Solution

The fourth proportional to 883,359.20, 1,323,483.60 and 724,728.80 is: 1,085,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,359.20 : 1,323,483.60 = 724,728.80 : x
  2. Step 2: Convert to fraction form
    883,359.20/1,323,483.60 = 724,728.80/x
  3. Step 3: Cross multiply
    883,359.20x = 1,323,483.60 × 724,728.80
  4. Step 4: Simplify right side
    883,359.20x = 959,166,681,247.68
  5. Step 5: Solve for x
    x = 959,166,681,247.68/883,359.20
  6. Step 6: Final answer
    x = 1,085,817.28

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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.