Home / 899,744.49-1,241,647.65-491,848.11

Finding the Fourth Proportional to 899,744.49, 1,241,647.65 and 491,848.11

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Solution

The fourth proportional to 899,744.49, 1,241,647.65 and 491,848.11 is: 678,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,744.49 : 1,241,647.65 = 491,848.11 : x
  2. Step 2: Convert to fraction form
    899,744.49/1,241,647.65 = 491,848.11/x
  3. Step 3: Cross multiply
    899,744.49x = 1,241,647.65 × 491,848.11
  4. Step 4: Simplify right side
    899,744.49x = 610,702,049,938.44
  5. Step 5: Solve for x
    x = 610,702,049,938.44/899,744.49
  6. Step 6: Final answer
    x = 678,750.53

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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.