Home / 538,518.86-743,146.37-293,505.82

Finding the Fourth Proportional to 538,518.86, 743,146.37 and 293,505.82

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Solution

The fourth proportional to 538,518.86, 743,146.37 and 293,505.82 is: 405,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,518.86 : 743,146.37 = 293,505.82 : x
  2. Step 2: Convert to fraction form
    538,518.86/743,146.37 = 293,505.82/x
  3. Step 3: Cross multiply
    538,518.86x = 743,146.37 × 293,505.82
  4. Step 4: Simplify right side
    538,518.86x = 218,117,781,724.91
  5. Step 5: Solve for x
    x = 218,117,781,724.91/538,518.86
  6. Step 6: Final answer
    x = 405,032.76

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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.