Home / 481,292.25-664,358.27-280,088.25

Finding the Fourth Proportional to 481,292.25, 664,358.27 and 280,088.25

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Solution

The fourth proportional to 481,292.25, 664,358.27 and 280,088.25 is: 386,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,292.25 : 664,358.27 = 280,088.25 : x
  2. Step 2: Convert to fraction form
    481,292.25/664,358.27 = 280,088.25/x
  3. Step 3: Cross multiply
    481,292.25x = 664,358.27 × 280,088.25
  4. Step 4: Simplify right side
    481,292.25x = 186,078,943,816.89
  5. Step 5: Solve for x
    x = 186,078,943,816.89/481,292.25
  6. Step 6: Final answer
    x = 386,623.60

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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.