Home / 757,680.74-1,045,609.08-447,593.54

Finding the Fourth Proportional to 757,680.74, 1,045,609.08 and 447,593.54

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Solution

The fourth proportional to 757,680.74, 1,045,609.08 and 447,593.54 is: 617,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,680.74 : 1,045,609.08 = 447,593.54 : x
  2. Step 2: Convert to fraction form
    757,680.74/1,045,609.08 = 447,593.54/x
  3. Step 3: Cross multiply
    757,680.74x = 1,045,609.08 × 447,593.54
  4. Step 4: Simplify right side
    757,680.74x = 468,007,869,573.34
  5. Step 5: Solve for x
    x = 468,007,869,573.34/757,680.74
  6. Step 6: Final answer
    x = 617,684.79

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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.