Home / 673,212.72-929,073.60-386,725.44

Finding the Fourth Proportional to 673,212.72, 929,073.60 and 386,725.44

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Solution

The fourth proportional to 673,212.72, 929,073.60 and 386,725.44 is: 533,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,212.72 : 929,073.60 = 386,725.44 : x
  2. Step 2: Convert to fraction form
    673,212.72/929,073.60 = 386,725.44/x
  3. Step 3: Cross multiply
    673,212.72x = 929,073.60 × 386,725.44
  4. Step 4: Simplify right side
    673,212.72x = 359,296,396,752.38
  5. Step 5: Solve for x
    x = 359,296,396,752.38/673,212.72
  6. Step 6: Final answer
    x = 533,704.11

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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.