Home / 459,991.20-634,787.79-256,037.73

Finding the Fourth Proportional to 459,991.20, 634,787.79 and 256,037.73

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Solution

The fourth proportional to 459,991.20, 634,787.79 and 256,037.73 is: 353,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,991.20 : 634,787.79 = 256,037.73 : x
  2. Step 2: Convert to fraction form
    459,991.20/634,787.79 = 256,037.73/x
  3. Step 3: Cross multiply
    459,991.20x = 634,787.79 × 256,037.73
  4. Step 4: Simplify right side
    459,991.20x = 162,529,624,783.32
  5. Step 5: Solve for x
    x = 162,529,624,783.32/459,991.20
  6. Step 6: Final answer
    x = 353,332.03

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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.