Home / 433,619.18-650,428.77-285,840.62

Finding the Fourth Proportional to 433,619.18, 650,428.77 and 285,840.62

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Solution

The fourth proportional to 433,619.18, 650,428.77 and 285,840.62 is: 428,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,619.18 : 650,428.77 = 285,840.62 : x
  2. Step 2: Convert to fraction form
    433,619.18/650,428.77 = 285,840.62/x
  3. Step 3: Cross multiply
    433,619.18x = 650,428.77 × 285,840.62
  4. Step 4: Simplify right side
    433,619.18x = 185,918,962,882.64
  5. Step 5: Solve for x
    x = 185,918,962,882.64/433,619.18
  6. Step 6: Final answer
    x = 428,760.93

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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.