Home / 757,337.28-1,045,131.84-417,828.48

Finding the Fourth Proportional to 757,337.28, 1,045,131.84 and 417,828.48

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Solution

The fourth proportional to 757,337.28, 1,045,131.84 and 417,828.48 is: 576,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,337.28 : 1,045,131.84 = 417,828.48 : x
  2. Step 2: Convert to fraction form
    757,337.28/1,045,131.84 = 417,828.48/x
  3. Step 3: Cross multiply
    757,337.28x = 1,045,131.84 × 417,828.48
  4. Step 4: Simplify right side
    757,337.28x = 436,685,848,106.80
  5. Step 5: Solve for x
    x = 436,685,848,106.80/757,337.28
  6. Step 6: Final answer
    x = 576,606.83

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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.