Home / 432,386.56-648,975.29-219,301.55

Finding the Fourth Proportional to 432,386.56, 648,975.29 and 219,301.55

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Solution

The fourth proportional to 432,386.56, 648,975.29 and 219,301.55 is: 329,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,386.56 : 648,975.29 = 219,301.55 : x
  2. Step 2: Convert to fraction form
    432,386.56/648,975.29 = 219,301.55/x
  3. Step 3: Cross multiply
    432,386.56x = 648,975.29 × 219,301.55
  4. Step 4: Simplify right side
    432,386.56x = 142,321,289,533.43
  5. Step 5: Solve for x
    x = 142,321,289,533.43/432,386.56
  6. Step 6: Final answer
    x = 329,152.90

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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.