Home / 757,453.53-1,045,664.66-471,065.88

Finding the Fourth Proportional to 757,453.53, 1,045,664.66 and 471,065.88

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Solution

The fourth proportional to 757,453.53, 1,045,664.66 and 471,065.88 is: 650,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,453.53 : 1,045,664.66 = 471,065.88 : x
  2. Step 2: Convert to fraction form
    757,453.53/1,045,664.66 = 471,065.88/x
  3. Step 3: Cross multiply
    757,453.53x = 1,045,664.66 × 471,065.88
  4. Step 4: Simplify right side
    757,453.53x = 492,576,940,892.47
  5. Step 5: Solve for x
    x = 492,576,940,892.47/757,453.53
  6. Step 6: Final answer
    x = 650,306.48

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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.