Home / 501,273.10-691,800.63-274,962.34

Finding the Fourth Proportional to 501,273.10, 691,800.63 and 274,962.34

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Solution

The fourth proportional to 501,273.10, 691,800.63 and 274,962.34 is: 379,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,273.10 : 691,800.63 = 274,962.34 : x
  2. Step 2: Convert to fraction form
    501,273.10/691,800.63 = 274,962.34/x
  3. Step 3: Cross multiply
    501,273.10x = 691,800.63 × 274,962.34
  4. Step 4: Simplify right side
    501,273.10x = 190,219,120,038.27
  5. Step 5: Solve for x
    x = 190,219,120,038.27/501,273.10
  6. Step 6: Final answer
    x = 379,472.03

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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.