Home / 828,065.63-1,142,561.66-483,835.01

Finding the Fourth Proportional to 828,065.63, 1,142,561.66 and 483,835.01

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Solution

The fourth proportional to 828,065.63, 1,142,561.66 and 483,835.01 is: 667,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,065.63 : 1,142,561.66 = 483,835.01 : x
  2. Step 2: Convert to fraction form
    828,065.63/1,142,561.66 = 483,835.01/x
  3. Step 3: Cross multiply
    828,065.63x = 1,142,561.66 × 483,835.01
  4. Step 4: Simplify right side
    828,065.63x = 552,811,324,059.73
  5. Step 5: Solve for x
    x = 552,811,324,059.73/828,065.63
  6. Step 6: Final answer
    x = 667,593.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.