Home / 516,385.02-774,708.94-303,333.08

Finding the Fourth Proportional to 516,385.02, 774,708.94 and 303,333.08

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Solution

The fourth proportional to 516,385.02, 774,708.94 and 303,333.08 is: 455,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,385.02 : 774,708.94 = 303,333.08 : x
  2. Step 2: Convert to fraction form
    516,385.02/774,708.94 = 303,333.08/x
  3. Step 3: Cross multiply
    516,385.02x = 774,708.94 × 303,333.08
  4. Step 4: Simplify right side
    516,385.02x = 234,994,848,873.74
  5. Step 5: Solve for x
    x = 234,994,848,873.74/516,385.02
  6. Step 6: Final answer
    x = 455,076.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.