Home / 899,744.48-1,241,647.66-491,848.12

Finding the Fourth Proportional to 899,744.48, 1,241,647.66 and 491,848.12

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Solution

The fourth proportional to 899,744.48, 1,241,647.66 and 491,848.12 is: 678,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,744.48 : 1,241,647.66 = 491,848.12 : x
  2. Step 2: Convert to fraction form
    899,744.48/1,241,647.66 = 491,848.12/x
  3. Step 3: Cross multiply
    899,744.48x = 1,241,647.66 × 491,848.12
  4. Step 4: Simplify right side
    899,744.48x = 610,702,067,273.40
  5. Step 5: Solve for x
    x = 610,702,067,273.40/899,744.48
  6. Step 6: Final answer
    x = 678,750.56

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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.