Home / 757,470.42-1,045,331.01-417,960.54

Finding the Fourth Proportional to 757,470.42, 1,045,331.01 and 417,960.54

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Solution

The fourth proportional to 757,470.42, 1,045,331.01 and 417,960.54 is: 576,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,470.42 : 1,045,331.01 = 417,960.54 : x
  2. Step 2: Convert to fraction form
    757,470.42/1,045,331.01 = 417,960.54/x
  3. Step 3: Cross multiply
    757,470.42x = 1,045,331.01 × 417,960.54
  4. Step 4: Simplify right side
    757,470.42x = 436,907,113,418.35
  5. Step 5: Solve for x
    x = 436,907,113,418.35/757,470.42
  6. Step 6: Final answer
    x = 576,797.59

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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.