Home / 829,371.71-1,243,989.09-230,346.96

Finding the Fourth Proportional to 829,371.71, 1,243,989.09 and 230,346.96

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Solution

The fourth proportional to 829,371.71, 1,243,989.09 and 230,346.96 is: 345,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,371.71 : 1,243,989.09 = 230,346.96 : x
  2. Step 2: Convert to fraction form
    829,371.71/1,243,989.09 = 230,346.96/x
  3. Step 3: Cross multiply
    829,371.71x = 1,243,989.09 × 230,346.96
  4. Step 4: Simplify right side
    829,371.71x = 286,549,105,154.67
  5. Step 5: Solve for x
    x = 286,549,105,154.67/829,371.71
  6. Step 6: Final answer
    x = 345,501.42

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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.