Home / 433,209.18-649,813.77-285,430.62

Finding the Fourth Proportional to 433,209.18, 649,813.77 and 285,430.62

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Solution

The fourth proportional to 433,209.18, 649,813.77 and 285,430.62 is: 428,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,209.18 : 649,813.77 = 285,430.62 : x
  2. Step 2: Convert to fraction form
    433,209.18/649,813.77 = 285,430.62/x
  3. Step 3: Cross multiply
    433,209.18x = 649,813.77 × 285,430.62
  4. Step 4: Simplify right side
    433,209.18x = 185,476,747,255.64
  5. Step 5: Solve for x
    x = 185,476,747,255.64/433,209.18
  6. Step 6: Final answer
    x = 428,145.93

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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.