Home / 987,725.61-1,481,577.62-239,771.61

Finding the Fourth Proportional to 987,725.61, 1,481,577.62 and 239,771.61

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Solution

The fourth proportional to 987,725.61, 1,481,577.62 and 239,771.61 is: 359,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,725.61 : 1,481,577.62 = 239,771.61 : x
  2. Step 2: Convert to fraction form
    987,725.61/1,481,577.62 = 239,771.61/x
  3. Step 3: Cross multiply
    987,725.61x = 1,481,577.62 × 239,771.61
  4. Step 4: Simplify right side
    987,725.61x = 355,240,250,088.51
  5. Step 5: Solve for x
    x = 355,240,250,088.51/987,725.61
  6. Step 6: Final answer
    x = 359,654.79

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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.