Home / 775,197.47-1,069,832.44-465,111.65

Finding the Fourth Proportional to 775,197.47, 1,069,832.44 and 465,111.65

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Solution

The fourth proportional to 775,197.47, 1,069,832.44 and 465,111.65 is: 641,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,197.47 : 1,069,832.44 = 465,111.65 : x
  2. Step 2: Convert to fraction form
    775,197.47/1,069,832.44 = 465,111.65/x
  3. Step 3: Cross multiply
    775,197.47x = 1,069,832.44 × 465,111.65
  4. Step 4: Simplify right side
    775,197.47x = 497,591,534,647.90
  5. Step 5: Solve for x
    x = 497,591,534,647.90/775,197.47
  6. Step 6: Final answer
    x = 641,890.04

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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.