Home / 458,918.72-688,274.13-174,507.88

Finding the Fourth Proportional to 458,918.72, 688,274.13 and 174,507.88

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Solution

The fourth proportional to 458,918.72, 688,274.13 and 174,507.88 is: 261,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,918.72 : 688,274.13 = 174,507.88 : x
  2. Step 2: Convert to fraction form
    458,918.72/688,274.13 = 174,507.88/x
  3. Step 3: Cross multiply
    458,918.72x = 688,274.13 × 174,507.88
  4. Step 4: Simplify right side
    458,918.72x = 120,109,255,843.77
  5. Step 5: Solve for x
    x = 120,109,255,843.77/458,918.72
  6. Step 6: Final answer
    x = 261,722.28

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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.