Home / 828,971.60-1,243,457.28-229,932.75

Finding the Fourth Proportional to 828,971.60, 1,243,457.28 and 229,932.75

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Solution

The fourth proportional to 828,971.60, 1,243,457.28 and 229,932.75 is: 344,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,971.60 : 1,243,457.28 = 229,932.75 : x
  2. Step 2: Convert to fraction form
    828,971.60/1,243,457.28 = 229,932.75/x
  3. Step 3: Cross multiply
    828,971.60x = 1,243,457.28 × 229,932.75
  4. Step 4: Simplify right side
    828,971.60x = 285,911,551,897.92
  5. Step 5: Solve for x
    x = 285,911,551,897.92/828,971.60
  6. Step 6: Final answer
    x = 344,899.09

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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.