Home / 518,160.07-777,473.39-281,147.59

Finding the Fourth Proportional to 518,160.07, 777,473.39 and 281,147.59

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Solution

The fourth proportional to 518,160.07, 777,473.39 and 281,147.59 is: 421,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,160.07 : 777,473.39 = 281,147.59 : x
  2. Step 2: Convert to fraction form
    518,160.07/777,473.39 = 281,147.59/x
  3. Step 3: Cross multiply
    518,160.07x = 777,473.39 × 281,147.59
  4. Step 4: Simplify right side
    518,160.07x = 218,584,769,980.89
  5. Step 5: Solve for x
    x = 218,584,769,980.89/518,160.07
  6. Step 6: Final answer
    x = 421,847.96

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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.