Home / 883,240.20-1,323,305.10-724,609.80

Finding the Fourth Proportional to 883,240.20, 1,323,305.10 and 724,609.80

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Solution

The fourth proportional to 883,240.20, 1,323,305.10 and 724,609.80 is: 1,085,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,240.20 : 1,323,305.10 = 724,609.80 : x
  2. Step 2: Convert to fraction form
    883,240.20/1,323,305.10 = 724,609.80/x
  3. Step 3: Cross multiply
    883,240.20x = 1,323,305.10 × 724,609.80
  4. Step 4: Simplify right side
    883,240.20x = 958,879,843,849.98
  5. Step 5: Solve for x
    x = 958,879,843,849.98/883,240.20
  6. Step 6: Final answer
    x = 1,085,638.81

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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.