Home / 857,420.48-1,183,155.01-494,961.11

Finding the Fourth Proportional to 857,420.48, 1,183,155.01 and 494,961.11

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Solution

The fourth proportional to 857,420.48, 1,183,155.01 and 494,961.11 is: 682,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,420.48 : 1,183,155.01 = 494,961.11 : x
  2. Step 2: Convert to fraction form
    857,420.48/1,183,155.01 = 494,961.11/x
  3. Step 3: Cross multiply
    857,420.48x = 1,183,155.01 × 494,961.11
  4. Step 4: Simplify right side
    857,420.48x = 585,615,717,051.66
  5. Step 5: Solve for x
    x = 585,615,717,051.66/857,420.48
  6. Step 6: Final answer
    x = 682,997.12

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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.