Home / 497,529.72-686,572.74-271,170.36

Finding the Fourth Proportional to 497,529.72, 686,572.74 and 271,170.36

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Solution

The fourth proportional to 497,529.72, 686,572.74 and 271,170.36 is: 374,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,529.72 : 686,572.74 = 271,170.36 : x
  2. Step 2: Convert to fraction form
    497,529.72/686,572.74 = 271,170.36/x
  3. Step 3: Cross multiply
    497,529.72x = 686,572.74 × 271,170.36
  4. Step 4: Simplify right side
    497,529.72x = 186,178,177,071.99
  5. Step 5: Solve for x
    x = 186,178,177,071.99/497,529.72
  6. Step 6: Final answer
    x = 374,205.14

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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.