Home / 857,731-1,183,669.74-500,104.12

Finding the Fourth Proportional to 857,731, 1,183,669.74 and 500,104.12

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Solution

The fourth proportional to 857,731, 1,183,669.74 and 500,104.12 is: 690,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,731 : 1,183,669.74 = 500,104.12 : x
  2. Step 2: Convert to fraction form
    857,731/1,183,669.74 = 500,104.12/x
  3. Step 3: Cross multiply
    857,731x = 1,183,669.74 × 500,104.12
  4. Step 4: Simplify right side
    857,731x = 591,958,113,693.33
  5. Step 5: Solve for x
    x = 591,958,113,693.33/857,731
  6. Step 6: Final answer
    x = 690,144.25

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1.5x scale

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.