Home / 847,629.47-1,169,745.23-465,670.73

Finding the Fourth Proportional to 847,629.47, 1,169,745.23 and 465,670.73

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Solution

The fourth proportional to 847,629.47, 1,169,745.23 and 465,670.73 is: 642,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,629.47 : 1,169,745.23 = 465,670.73 : x
  2. Step 2: Convert to fraction form
    847,629.47/1,169,745.23 = 465,670.73/x
  3. Step 3: Cross multiply
    847,629.47x = 1,169,745.23 × 465,670.73
  4. Step 4: Simplify right side
    847,629.47x = 544,716,115,168.12
  5. Step 5: Solve for x
    x = 544,716,115,168.12/847,629.47
  6. Step 6: Final answer
    x = 642,634.71

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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.