Home / 432,935.42-648,693.19-305,955.46

Finding the Fourth Proportional to 432,935.42, 648,693.19 and 305,955.46

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Solution

The fourth proportional to 432,935.42, 648,693.19 and 305,955.46 is: 458,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,935.42 : 648,693.19 = 305,955.46 : x
  2. Step 2: Convert to fraction form
    432,935.42/648,693.19 = 305,955.46/x
  3. Step 3: Cross multiply
    432,935.42x = 648,693.19 × 305,955.46
  4. Step 4: Simplify right side
    432,935.42x = 198,471,224,538.63
  5. Step 5: Solve for x
    x = 198,471,224,538.63/432,935.42
  6. Step 6: Final answer
    x = 458,431.48

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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.