Home / 857,832.34-1,285,850.69-289,016.93

Finding the Fourth Proportional to 857,832.34, 1,285,850.69 and 289,016.93

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Solution

The fourth proportional to 857,832.34, 1,285,850.69 and 289,016.93 is: 433,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,832.34 : 1,285,850.69 = 289,016.93 : x
  2. Step 2: Convert to fraction form
    857,832.34/1,285,850.69 = 289,016.93/x
  3. Step 3: Cross multiply
    857,832.34x = 1,285,850.69 × 289,016.93
  4. Step 4: Simplify right side
    857,832.34x = 371,632,612,432.93
  5. Step 5: Solve for x
    x = 371,632,612,432.93/857,832.34
  6. Step 6: Final answer
    x = 433,222.90

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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.