Home / 420,359.48-580,175.17-263,268.17

Finding the Fourth Proportional to 420,359.48, 580,175.17 and 263,268.17

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Solution

The fourth proportional to 420,359.48, 580,175.17 and 263,268.17 is: 363,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,359.48 : 580,175.17 = 263,268.17 : x
  2. Step 2: Convert to fraction form
    420,359.48/580,175.17 = 263,268.17/x
  3. Step 3: Cross multiply
    420,359.48x = 580,175.17 × 263,268.17
  4. Step 4: Simplify right side
    420,359.48x = 152,741,656,077.61
  5. Step 5: Solve for x
    x = 152,741,656,077.61/420,359.48
  6. Step 6: Final answer
    x = 363,359.61

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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.