Home / 481,316.80-664,008.60-290,224.04

Finding the Fourth Proportional to 481,316.80, 664,008.60 and 290,224.04

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Solution

The fourth proportional to 481,316.80, 664,008.60 and 290,224.04 is: 400,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,316.80 : 664,008.60 = 290,224.04 : x
  2. Step 2: Convert to fraction form
    481,316.80/664,008.60 = 290,224.04/x
  3. Step 3: Cross multiply
    481,316.80x = 664,008.60 × 290,224.04
  4. Step 4: Simplify right side
    481,316.80x = 192,711,258,486.74
  5. Step 5: Solve for x
    x = 192,711,258,486.74/481,316.80
  6. Step 6: Final answer
    x = 400,383.40

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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.