Home / 899,397.60-1,241,147.52-491,481.60

Finding the Fourth Proportional to 899,397.60, 1,241,147.52 and 491,481.60

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Solution

The fourth proportional to 899,397.60, 1,241,147.52 and 491,481.60 is: 678,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,397.60 : 1,241,147.52 = 491,481.60 : x
  2. Step 2: Convert to fraction form
    899,397.60/1,241,147.52 = 491,481.60/x
  3. Step 3: Cross multiply
    899,397.60x = 1,241,147.52 × 491,481.60
  4. Step 4: Simplify right side
    899,397.60x = 610,001,168,965.63
  5. Step 5: Solve for x
    x = 610,001,168,965.63/899,397.60
  6. Step 6: Final answer
    x = 678,233.04

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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.