Home / 628,010.40-942,162.60-207,285.86

Finding the Fourth Proportional to 628,010.40, 942,162.60 and 207,285.86

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Solution

The fourth proportional to 628,010.40, 942,162.60 and 207,285.86 is: 310,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,010.40 : 942,162.60 = 207,285.86 : x
  2. Step 2: Convert to fraction form
    628,010.40/942,162.60 = 207,285.86/x
  3. Step 3: Cross multiply
    628,010.40x = 942,162.60 × 207,285.86
  4. Step 4: Simplify right side
    628,010.40x = 195,296,984,800.84
  5. Step 5: Solve for x
    x = 195,296,984,800.84/628,010.40
  6. Step 6: Final answer
    x = 310,977.31

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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.