Home / 824,520.40-1,236,780.60-682,802.80

Finding the Fourth Proportional to 824,520.40, 1,236,780.60 and 682,802.80

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Solution

The fourth proportional to 824,520.40, 1,236,780.60 and 682,802.80 is: 1,024,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,520.40 : 1,236,780.60 = 682,802.80 : x
  2. Step 2: Convert to fraction form
    824,520.40/1,236,780.60 = 682,802.80/x
  3. Step 3: Cross multiply
    824,520.40x = 1,236,780.60 × 682,802.80
  4. Step 4: Simplify right side
    824,520.40x = 844,477,256,665.68
  5. Step 5: Solve for x
    x = 844,477,256,665.68/824,520.40
  6. Step 6: Final answer
    x = 1,024,204.20

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1.5x scale

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.