Home / 790,163.30-1,090,443.96-450,624.26

Finding the Fourth Proportional to 790,163.30, 1,090,443.96 and 450,624.26

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Solution

The fourth proportional to 790,163.30, 1,090,443.96 and 450,624.26 is: 621,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,163.30 : 1,090,443.96 = 450,624.26 : x
  2. Step 2: Convert to fraction form
    790,163.30/1,090,443.96 = 450,624.26/x
  3. Step 3: Cross multiply
    790,163.30x = 1,090,443.96 × 450,624.26
  4. Step 4: Simplify right side
    790,163.30x = 491,380,502,546.47
  5. Step 5: Solve for x
    x = 491,380,502,546.47/790,163.30
  6. Step 6: Final answer
    x = 621,872.09

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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.