Home / 451,416.04-677,068.70-261,979.47

Finding the Fourth Proportional to 451,416.04, 677,068.70 and 261,979.47

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Solution

The fourth proportional to 451,416.04, 677,068.70 and 261,979.47 is: 392,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,416.04 : 677,068.70 = 261,979.47 : x
  2. Step 2: Convert to fraction form
    451,416.04/677,068.70 = 261,979.47/x
  3. Step 3: Cross multiply
    451,416.04x = 677,068.70 × 261,979.47
  4. Step 4: Simplify right side
    451,416.04x = 177,378,099,179.59
  5. Step 5: Solve for x
    x = 177,378,099,179.59/451,416.04
  6. Step 6: Final answer
    x = 392,937.08

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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.