Home / 727,640.70-1,091,461.05-254,276.70

Finding the Fourth Proportional to 727,640.70, 1,091,461.05 and 254,276.70

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Solution

The fourth proportional to 727,640.70, 1,091,461.05 and 254,276.70 is: 381,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,640.70 : 1,091,461.05 = 254,276.70 : x
  2. Step 2: Convert to fraction form
    727,640.70/1,091,461.05 = 254,276.70/x
  3. Step 3: Cross multiply
    727,640.70x = 1,091,461.05 × 254,276.70
  4. Step 4: Simplify right side
    727,640.70x = 277,533,113,972.54
  5. Step 5: Solve for x
    x = 277,533,113,972.54/727,640.70
  6. Step 6: Final answer
    x = 381,415.05

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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.