Home / 878,617.64-1,318,128.72-373,194.62

Finding the Fourth Proportional to 878,617.64, 1,318,128.72 and 373,194.62

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Solution

The fourth proportional to 878,617.64, 1,318,128.72 and 373,194.62 is: 559,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,617.64 : 1,318,128.72 = 373,194.62 : x
  2. Step 2: Convert to fraction form
    878,617.64/1,318,128.72 = 373,194.62/x
  3. Step 3: Cross multiply
    878,617.64x = 1,318,128.72 × 373,194.62
  4. Step 4: Simplify right side
    878,617.64x = 491,918,546,771.49
  5. Step 5: Solve for x
    x = 491,918,546,771.49/878,617.64
  6. Step 6: Final answer
    x = 559,877.84

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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.