Home / 610,933.13-843,047.21-338,983.79

Finding the Fourth Proportional to 610,933.13, 843,047.21 and 338,983.79

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Solution

The fourth proportional to 610,933.13, 843,047.21 and 338,983.79 is: 467,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,933.13 : 843,047.21 = 338,983.79 : x
  2. Step 2: Convert to fraction form
    610,933.13/843,047.21 = 338,983.79/x
  3. Step 3: Cross multiply
    610,933.13x = 843,047.21 × 338,983.79
  4. Step 4: Simplify right side
    610,933.13x = 285,779,336,699.81
  5. Step 5: Solve for x
    x = 285,779,336,699.81/610,933.13
  6. Step 6: Final answer
    x = 467,775.15

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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.