Home / 651,379.46-898,939.55-360,984.92

Finding the Fourth Proportional to 651,379.46, 898,939.55 and 360,984.92

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Solution

The fourth proportional to 651,379.46, 898,939.55 and 360,984.92 is: 498,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,379.46 : 898,939.55 = 360,984.92 : x
  2. Step 2: Convert to fraction form
    651,379.46/898,939.55 = 360,984.92/x
  3. Step 3: Cross multiply
    651,379.46x = 898,939.55 × 360,984.92
  4. Step 4: Simplify right side
    651,379.46x = 324,503,619,736.66
  5. Step 5: Solve for x
    x = 324,503,619,736.66/651,379.46
  6. Step 6: Final answer
    x = 498,179.08

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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.