Home / 497,388.08-686,385.96-271,028.72

Finding the Fourth Proportional to 497,388.08, 686,385.96 and 271,028.72

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Solution

The fourth proportional to 497,388.08, 686,385.96 and 271,028.72 is: 374,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,388.08 : 686,385.96 = 271,028.72 : x
  2. Step 2: Convert to fraction form
    497,388.08/686,385.96 = 271,028.72/x
  3. Step 3: Cross multiply
    497,388.08x = 686,385.96 × 271,028.72
  4. Step 4: Simplify right side
    497,388.08x = 186,030,308,164.77
  5. Step 5: Solve for x
    x = 186,030,308,164.77/497,388.08
  6. Step 6: Final answer
    x = 374,014.41

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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.