Home / 826,999.50-1,141,174.23-464,420.43

Finding the Fourth Proportional to 826,999.50, 1,141,174.23 and 464,420.43

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Solution

The fourth proportional to 826,999.50, 1,141,174.23 and 464,420.43 is: 640,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,999.50 : 1,141,174.23 = 464,420.43 : x
  2. Step 2: Convert to fraction form
    826,999.50/1,141,174.23 = 464,420.43/x
  3. Step 3: Cross multiply
    826,999.50x = 1,141,174.23 × 464,420.43
  4. Step 4: Simplify right side
    826,999.50x = 529,984,626,601.52
  5. Step 5: Solve for x
    x = 529,984,626,601.52/826,999.50
  6. Step 6: Final answer
    x = 640,852.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.