Home / 775,855.80-1,071,353.79-572,259.60

Finding the Fourth Proportional to 775,855.80, 1,071,353.79 and 572,259.60

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Solution

The fourth proportional to 775,855.80, 1,071,353.79 and 572,259.60 is: 790,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,855.80 : 1,071,353.79 = 572,259.60 : x
  2. Step 2: Convert to fraction form
    775,855.80/1,071,353.79 = 572,259.60/x
  3. Step 3: Cross multiply
    775,855.80x = 1,071,353.79 × 572,259.60
  4. Step 4: Simplify right side
    775,855.80x = 613,092,491,323.88
  5. Step 5: Solve for x
    x = 613,092,491,323.88/775,855.80
  6. Step 6: Final answer
    x = 790,214.48

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1.5x scale

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.