Home / 673,719.75-929,734.07-371,913.75

Finding the Fourth Proportional to 673,719.75, 929,734.07 and 371,913.75

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Solution

The fourth proportional to 673,719.75, 929,734.07 and 371,913.75 is: 513,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,719.75 : 929,734.07 = 371,913.75 : x
  2. Step 2: Convert to fraction form
    673,719.75/929,734.07 = 371,913.75/x
  3. Step 3: Cross multiply
    673,719.75x = 929,734.07 × 371,913.75
  4. Step 4: Simplify right side
    673,719.75x = 345,780,882,616.89
  5. Step 5: Solve for x
    x = 345,780,882,616.89/673,719.75
  6. Step 6: Final answer
    x = 513,241.42

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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.