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Finding the Fourth Proportional to 534,519.32, 801,926.60 and 475,765.57

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Solution

The fourth proportional to 534,519.32, 801,926.60 and 475,765.57 is: 713,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,519.32 : 801,926.60 = 475,765.57 : x
  2. Step 2: Convert to fraction form
    534,519.32/801,926.60 = 475,765.57/x
  3. Step 3: Cross multiply
    534,519.32x = 801,926.60 × 475,765.57
  4. Step 4: Simplify right side
    534,519.32x = 381,529,065,131.76
  5. Step 5: Solve for x
    x = 381,529,065,131.76/534,519.32
  6. Step 6: Final answer
    x = 713,779.74

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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.