Home / 500,861.08-751,280.70-121,783.84

Finding the Fourth Proportional to 500,861.08, 751,280.70 and 121,783.84

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Solution

The fourth proportional to 500,861.08, 751,280.70 and 121,783.84 is: 182,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,861.08 : 751,280.70 = 121,783.84 : x
  2. Step 2: Convert to fraction form
    500,861.08/751,280.70 = 121,783.84/x
  3. Step 3: Cross multiply
    500,861.08x = 751,280.70 × 121,783.84
  4. Step 4: Simplify right side
    500,861.08x = 91,493,848,563.89
  5. Step 5: Solve for x
    x = 91,493,848,563.89/500,861.08
  6. Step 6: Final answer
    x = 182,673.10

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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.