Home / 383,945.09-575,469.13-288,869.77

Finding the Fourth Proportional to 383,945.09, 575,469.13 and 288,869.77

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Solution

The fourth proportional to 383,945.09, 575,469.13 and 288,869.77 is: 432,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,945.09 : 575,469.13 = 288,869.77 : x
  2. Step 2: Convert to fraction form
    383,945.09/575,469.13 = 288,869.77/x
  3. Step 3: Cross multiply
    383,945.09x = 575,469.13 × 288,869.77
  4. Step 4: Simplify right side
    383,945.09x = 166,235,634,957.93
  5. Step 5: Solve for x
    x = 166,235,634,957.93/383,945.09
  6. Step 6: Final answer
    x = 432,967.21

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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.