Home / 822,091.96-1,230,037.20-485,315.80

Finding the Fourth Proportional to 822,091.96, 1,230,037.20 and 485,315.80

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Solution

The fourth proportional to 822,091.96, 1,230,037.20 and 485,315.80 is: 726,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,091.96 : 1,230,037.20 = 485,315.80 : x
  2. Step 2: Convert to fraction form
    822,091.96/1,230,037.20 = 485,315.80/x
  3. Step 3: Cross multiply
    822,091.96x = 1,230,037.20 × 485,315.80
  4. Step 4: Simplify right side
    822,091.96x = 596,956,487,747.76
  5. Step 5: Solve for x
    x = 596,956,487,747.76/822,091.96
  6. Step 6: Final answer
    x = 726,143.20

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Double scale
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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.