Home / 899,351.37-1,241,108.13-491,453.22

Finding the Fourth Proportional to 899,351.37, 1,241,108.13 and 491,453.22

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Solution

The fourth proportional to 899,351.37, 1,241,108.13 and 491,453.22 is: 678,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,351.37 : 1,241,108.13 = 491,453.22 : x
  2. Step 2: Convert to fraction form
    899,351.37/1,241,108.13 = 491,453.22/x
  3. Step 3: Cross multiply
    899,351.37x = 1,241,108.13 × 491,453.22
  4. Step 4: Simplify right side
    899,351.37x = 609,946,586,856.68
  5. Step 5: Solve for x
    x = 609,946,586,856.68/899,351.37
  6. Step 6: Final answer
    x = 678,207.21

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Double scale
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Similar ratio
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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.