Home / 497,431.04-686,469.40-271,091.12

Finding the Fourth Proportional to 497,431.04, 686,469.40 and 271,091.12

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Solution

The fourth proportional to 497,431.04, 686,469.40 and 271,091.12 is: 374,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,431.04 : 686,469.40 = 271,091.12 : x
  2. Step 2: Convert to fraction form
    497,431.04/686,469.40 = 271,091.12/x
  3. Step 3: Cross multiply
    497,431.04x = 686,469.40 × 271,091.12
  4. Step 4: Simplify right side
    497,431.04x = 186,095,758,491.73
  5. Step 5: Solve for x
    x = 186,095,758,491.73/497,431.04
  6. Step 6: Final answer
    x = 374,113.68

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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.