Home / 756,441.74-1,134,745.64-377,457.86

Finding the Fourth Proportional to 756,441.74, 1,134,745.64 and 377,457.86

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Solution

The fourth proportional to 756,441.74, 1,134,745.64 and 377,457.86 is: 566,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,441.74 : 1,134,745.64 = 377,457.86 : x
  2. Step 2: Convert to fraction form
    756,441.74/1,134,745.64 = 377,457.86/x
  3. Step 3: Cross multiply
    756,441.74x = 1,134,745.64 × 377,457.86
  4. Step 4: Simplify right side
    756,441.74x = 428,318,660,918.73
  5. Step 5: Solve for x
    x = 428,318,660,918.73/756,441.74
  6. Step 6: Final answer
    x = 566,228.22

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.