Home / 458,579.13-632,839.19-257,375.13

Finding the Fourth Proportional to 458,579.13, 632,839.19 and 257,375.13

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Solution

The fourth proportional to 458,579.13, 632,839.19 and 257,375.13 is: 355,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,579.13 : 632,839.19 = 257,375.13 : x
  2. Step 2: Convert to fraction form
    458,579.13/632,839.19 = 257,375.13/x
  3. Step 3: Cross multiply
    458,579.13x = 632,839.19 × 257,375.13
  4. Step 4: Simplify right side
    458,579.13x = 162,877,066,274.59
  5. Step 5: Solve for x
    x = 162,877,066,274.59/458,579.13
  6. Step 6: Final answer
    x = 355,177.67

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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.