Home / 883,109.20-1,323,108.60-724,478.80

Finding the Fourth Proportional to 883,109.20, 1,323,108.60 and 724,478.80

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Solution

The fourth proportional to 883,109.20, 1,323,108.60 and 724,478.80 is: 1,085,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,109.20 : 1,323,108.60 = 724,478.80 : x
  2. Step 2: Convert to fraction form
    883,109.20/1,323,108.60 = 724,478.80/x
  3. Step 3: Cross multiply
    883,109.20x = 1,323,108.60 × 724,478.80
  4. Step 4: Simplify right side
    883,109.20x = 958,564,130,797.68
  5. Step 5: Solve for x
    x = 958,564,130,797.68/883,109.20
  6. Step 6: Final answer
    x = 1,085,442.36

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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.