Home / 911,350.76-1,367,009.21-272,087.93

Finding the Fourth Proportional to 911,350.76, 1,367,009.21 and 272,087.93

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Solution

The fourth proportional to 911,350.76, 1,367,009.21 and 272,087.93 is: 408,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,350.76 : 1,367,009.21 = 272,087.93 : x
  2. Step 2: Convert to fraction form
    911,350.76/1,367,009.21 = 272,087.93/x
  3. Step 3: Cross multiply
    911,350.76x = 1,367,009.21 × 272,087.93
  4. Step 4: Simplify right side
    911,350.76x = 371,946,701,117.66
  5. Step 5: Solve for x
    x = 371,946,701,117.66/911,350.76
  6. Step 6: Final answer
    x = 408,126.83

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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.