Home / 810,296.76-1,215,504.24-277,813.28

Finding the Fourth Proportional to 810,296.76, 1,215,504.24 and 277,813.28

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Solution

The fourth proportional to 810,296.76, 1,215,504.24 and 277,813.28 is: 416,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,296.76 : 1,215,504.24 = 277,813.28 : x
  2. Step 2: Convert to fraction form
    810,296.76/1,215,504.24 = 277,813.28/x
  3. Step 3: Cross multiply
    810,296.76x = 1,215,504.24 × 277,813.28
  4. Step 4: Simplify right side
    810,296.76x = 337,683,219,768.31
  5. Step 5: Solve for x
    x = 337,683,219,768.31/810,296.76
  6. Step 6: Final answer
    x = 416,740.18

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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.