Home / 646,544.47-892,167.45-360,091.21

Finding the Fourth Proportional to 646,544.47, 892,167.45 and 360,091.21

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Solution

The fourth proportional to 646,544.47, 892,167.45 and 360,091.21 is: 496,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,544.47 : 892,167.45 = 360,091.21 : x
  2. Step 2: Convert to fraction form
    646,544.47/892,167.45 = 360,091.21/x
  3. Step 3: Cross multiply
    646,544.47x = 892,167.45 × 360,091.21
  4. Step 4: Simplify right side
    646,544.47x = 321,261,656,593.12
  5. Step 5: Solve for x
    x = 321,261,656,593.12/646,544.47
  6. Step 6: Final answer
    x = 496,890.27

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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.