Home / 919,768.50-1,379,730.51-254,920.50

Finding the Fourth Proportional to 919,768.50, 1,379,730.51 and 254,920.50

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Solution

The fourth proportional to 919,768.50, 1,379,730.51 and 254,920.50 is: 382,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,768.50 : 1,379,730.51 = 254,920.50 : x
  2. Step 2: Convert to fraction form
    919,768.50/1,379,730.51 = 254,920.50/x
  3. Step 3: Cross multiply
    919,768.50x = 1,379,730.51 × 254,920.50
  4. Step 4: Simplify right side
    919,768.50x = 351,721,591,474.46
  5. Step 5: Solve for x
    x = 351,721,591,474.46/919,768.50
  6. Step 6: Final answer
    x = 382,402.30

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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.