Home / 762,147.33-1,051,687.50-439,961.22

Finding the Fourth Proportional to 762,147.33, 1,051,687.50 and 439,961.22

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Solution

The fourth proportional to 762,147.33, 1,051,687.50 and 439,961.22 is: 607,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,147.33 : 1,051,687.50 = 439,961.22 : x
  2. Step 2: Convert to fraction form
    762,147.33/1,051,687.50 = 439,961.22/x
  3. Step 3: Cross multiply
    762,147.33x = 1,051,687.50 × 439,961.22
  4. Step 4: Simplify right side
    762,147.33x = 462,701,715,558.75
  5. Step 5: Solve for x
    x = 462,701,715,558.75/762,147.33
  6. Step 6: Final answer
    x = 607,102.72

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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.