Home / 828,666.35-1,243,026.26-229,633.28

Finding the Fourth Proportional to 828,666.35, 1,243,026.26 and 229,633.28

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Solution

The fourth proportional to 828,666.35, 1,243,026.26 and 229,633.28 is: 344,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,666.35 : 1,243,026.26 = 229,633.28 : x
  2. Step 2: Convert to fraction form
    828,666.35/1,243,026.26 = 229,633.28/x
  3. Step 3: Cross multiply
    828,666.35x = 1,243,026.26 × 229,633.28
  4. Step 4: Simplify right side
    828,666.35x = 285,440,189,846.64
  5. Step 5: Solve for x
    x = 285,440,189,846.64/828,666.35
  6. Step 6: Final answer
    x = 344,457.32

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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.