Home / 899,336.58-1,241,087.72-491,438.44

Finding the Fourth Proportional to 899,336.58, 1,241,087.72 and 491,438.44

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Solution

The fourth proportional to 899,336.58, 1,241,087.72 and 491,438.44 is: 678,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,336.58 : 1,241,087.72 = 491,438.44 : x
  2. Step 2: Convert to fraction form
    899,336.58/1,241,087.72 = 491,438.44/x
  3. Step 3: Cross multiply
    899,336.58x = 1,241,087.72 × 491,438.44
  4. Step 4: Simplify right side
    899,336.58x = 609,918,213,019.96
  5. Step 5: Solve for x
    x = 609,918,213,019.96/899,336.58
  6. Step 6: Final answer
    x = 678,186.82

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Double scale
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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.