Home / 957,349.59-1,321,125.33-521,770.88

Finding the Fourth Proportional to 957,349.59, 1,321,125.33 and 521,770.88

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Solution

The fourth proportional to 957,349.59, 1,321,125.33 and 521,770.88 is: 720,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,349.59 : 1,321,125.33 = 521,770.88 : x
  2. Step 2: Convert to fraction form
    957,349.59/1,321,125.33 = 521,770.88/x
  3. Step 3: Cross multiply
    957,349.59x = 1,321,125.33 × 521,770.88
  4. Step 4: Simplify right side
    957,349.59x = 689,324,716,809.91
  5. Step 5: Solve for x
    x = 689,324,716,809.91/957,349.59
  6. Step 6: Final answer
    x = 720,034.48

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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.