Home / 646,760.35-892,556.18-360,280.36

Finding the Fourth Proportional to 646,760.35, 892,556.18 and 360,280.36

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Solution

The fourth proportional to 646,760.35, 892,556.18 and 360,280.36 is: 497,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,760.35 : 892,556.18 = 360,280.36 : x
  2. Step 2: Convert to fraction form
    646,760.35/892,556.18 = 360,280.36/x
  3. Step 3: Cross multiply
    646,760.35x = 892,556.18 × 360,280.36
  4. Step 4: Simplify right side
    646,760.35x = 321,570,461,850.63
  5. Step 5: Solve for x
    x = 321,570,461,850.63/646,760.35
  6. Step 6: Final answer
    x = 497,201.88

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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.