Home / 957,350.59-1,321,126.70-521,771.88

Finding the Fourth Proportional to 957,350.59, 1,321,126.70 and 521,771.88

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Solution

The fourth proportional to 957,350.59, 1,321,126.70 and 521,771.88 is: 720,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,350.59 : 1,321,126.70 = 521,771.88 : x
  2. Step 2: Convert to fraction form
    957,350.59/1,321,126.70 = 521,771.88/x
  3. Step 3: Cross multiply
    957,350.59x = 1,321,126.70 × 521,771.88
  4. Step 4: Simplify right side
    957,350.59x = 689,326,761,977.20
  5. Step 5: Solve for x
    x = 689,326,761,977.20/957,350.59
  6. Step 6: Final answer
    x = 720,035.87

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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.