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Finding the Fourth Proportional to 382,622.40, 573,242.40 and 327,326.40

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Solution

The fourth proportional to 382,622.40, 573,242.40 and 327,326.40 is: 490,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,622.40 : 573,242.40 = 327,326.40 : x
  2. Step 2: Convert to fraction form
    382,622.40/573,242.40 = 327,326.40/x
  3. Step 3: Cross multiply
    382,622.40x = 573,242.40 × 327,326.40
  4. Step 4: Simplify right side
    382,622.40x = 187,637,371,119.36
  5. Step 5: Solve for x
    x = 187,637,371,119.36/382,622.40
  6. Step 6: Final answer
    x = 490,398.29

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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.