Home / 383,923.13-575,436.32-288,847.89

Finding the Fourth Proportional to 383,923.13, 575,436.32 and 288,847.89

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Solution

The fourth proportional to 383,923.13, 575,436.32 and 288,847.89 is: 432,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,923.13 : 575,436.32 = 288,847.89 : x
  2. Step 2: Convert to fraction form
    383,923.13/575,436.32 = 288,847.89/x
  3. Step 3: Cross multiply
    383,923.13x = 575,436.32 × 288,847.89
  4. Step 4: Simplify right side
    383,923.13x = 166,213,566,500.31
  5. Step 5: Solve for x
    x = 166,213,566,500.31/383,923.13
  6. Step 6: Final answer
    x = 432,934.50

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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.