Home / 880,469.80-1,321,142.10-348,008.20

Finding the Fourth Proportional to 880,469.80, 1,321,142.10 and 348,008.20

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Solution

The fourth proportional to 880,469.80, 1,321,142.10 and 348,008.20 is: 522,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,469.80 : 1,321,142.10 = 348,008.20 : x
  2. Step 2: Convert to fraction form
    880,469.80/1,321,142.10 = 348,008.20/x
  3. Step 3: Cross multiply
    880,469.80x = 1,321,142.10 × 348,008.20
  4. Step 4: Simplify right side
    880,469.80x = 459,768,284,165.22
  5. Step 5: Solve for x
    x = 459,768,284,165.22/880,469.80
  6. Step 6: Final answer
    x = 522,185.18

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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.