Home / 436,765.80-603,065.28-429,790.60

Finding the Fourth Proportional to 436,765.80, 603,065.28 and 429,790.60

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Solution

The fourth proportional to 436,765.80, 603,065.28 and 429,790.60 is: 593,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,765.80 : 603,065.28 = 429,790.60 : x
  2. Step 2: Convert to fraction form
    436,765.80/603,065.28 = 429,790.60/x
  3. Step 3: Cross multiply
    436,765.80x = 603,065.28 × 429,790.60
  4. Step 4: Simplify right side
    436,765.80x = 259,191,788,530.37
  5. Step 5: Solve for x
    x = 259,191,788,530.37/436,765.80
  6. Step 6: Final answer
    x = 593,434.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.