Home / 899,194.38-1,349,457.39-425,881.21

Finding the Fourth Proportional to 899,194.38, 1,349,457.39 and 425,881.21

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Solution

The fourth proportional to 899,194.38, 1,349,457.39 and 425,881.21 is: 639,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,194.38 : 1,349,457.39 = 425,881.21 : x
  2. Step 2: Convert to fraction form
    899,194.38/1,349,457.39 = 425,881.21/x
  3. Step 3: Cross multiply
    899,194.38x = 1,349,457.39 × 425,881.21
  4. Step 4: Simplify right side
    899,194.38x = 574,708,546,096.64
  5. Step 5: Solve for x
    x = 574,708,546,096.64/899,194.38
  6. Step 6: Final answer
    x = 639,137.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.