Home / 457,905.22-631,911.06-253,975.18

Finding the Fourth Proportional to 457,905.22, 631,911.06 and 253,975.18

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Solution

The fourth proportional to 457,905.22, 631,911.06 and 253,975.18 is: 350,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,905.22 : 631,911.06 = 253,975.18 : x
  2. Step 2: Convert to fraction form
    457,905.22/631,911.06 = 253,975.18/x
  3. Step 3: Cross multiply
    457,905.22x = 631,911.06 × 253,975.18
  4. Step 4: Simplify right side
    457,905.22x = 160,489,725,207.49
  5. Step 5: Solve for x
    x = 160,489,725,207.49/457,905.22
  6. Step 6: Final answer
    x = 350,486.78

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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.