Home / 775,711.96-1,070,523.75-453,610.60

Finding the Fourth Proportional to 775,711.96, 1,070,523.75 and 453,610.60

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Solution

The fourth proportional to 775,711.96, 1,070,523.75 and 453,610.60 is: 626,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,711.96 : 1,070,523.75 = 453,610.60 : x
  2. Step 2: Convert to fraction form
    775,711.96/1,070,523.75 = 453,610.60/x
  3. Step 3: Cross multiply
    775,711.96x = 1,070,523.75 × 453,610.60
  4. Step 4: Simplify right side
    775,711.96x = 485,600,920,551.75
  5. Step 5: Solve for x
    x = 485,600,920,551.75/775,711.96
  6. Step 6: Final answer
    x = 626,006.75

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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.