Home / 730,469.30-1,008,028.29-408,182.05

Finding the Fourth Proportional to 730,469.30, 1,008,028.29 and 408,182.05

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Solution

The fourth proportional to 730,469.30, 1,008,028.29 and 408,182.05 is: 563,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,469.30 : 1,008,028.29 = 408,182.05 : x
  2. Step 2: Convert to fraction form
    730,469.30/1,008,028.29 = 408,182.05/x
  3. Step 3: Cross multiply
    730,469.30x = 1,008,028.29 × 408,182.05
  4. Step 4: Simplify right side
    730,469.30x = 411,459,052,408.29
  5. Step 5: Solve for x
    x = 411,459,052,408.29/730,469.30
  6. Step 6: Final answer
    x = 563,280.42

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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.