Home / 757,453.28-1,045,664.32-471,065.64

Finding the Fourth Proportional to 757,453.28, 1,045,664.32 and 471,065.64

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Solution

The fourth proportional to 757,453.28, 1,045,664.32 and 471,065.64 is: 650,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,453.28 : 1,045,664.32 = 471,065.64 : x
  2. Step 2: Convert to fraction form
    757,453.28/1,045,664.32 = 471,065.64/x
  3. Step 3: Cross multiply
    757,453.28x = 1,045,664.32 × 471,065.64
  4. Step 4: Simplify right side
    757,453.28x = 492,576,532,125.97
  5. Step 5: Solve for x
    x = 492,576,532,125.97/757,453.28
  6. Step 6: Final answer
    x = 650,306.16

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Double scale
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Similar ratio
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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.