Home / 383,711.09-575,965.85-282,623.29

Finding the Fourth Proportional to 383,711.09, 575,965.85 and 282,623.29

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Solution

The fourth proportional to 383,711.09, 575,965.85 and 282,623.29 is: 424,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,711.09 : 575,965.85 = 282,623.29 : x
  2. Step 2: Convert to fraction form
    383,711.09/575,965.85 = 282,623.29/x
  3. Step 3: Cross multiply
    383,711.09x = 575,965.85 × 282,623.29
  4. Step 4: Simplify right side
    383,711.09x = 162,781,360,172.21
  5. Step 5: Solve for x
    x = 162,781,360,172.21/383,711.09
  6. Step 6: Final answer
    x = 424,228.97

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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.