Home / 855,054.10-1,179,956.40-467,868.02

Finding the Fourth Proportional to 855,054.10, 1,179,956.40 and 467,868.02

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Solution

The fourth proportional to 855,054.10, 1,179,956.40 and 467,868.02 is: 645,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,054.10 : 1,179,956.40 = 467,868.02 : x
  2. Step 2: Convert to fraction form
    855,054.10/1,179,956.40 = 467,868.02/x
  3. Step 3: Cross multiply
    855,054.10x = 1,179,956.40 × 467,868.02
  4. Step 4: Simplify right side
    855,054.10x = 552,063,864,554.33
  5. Step 5: Solve for x
    x = 552,063,864,554.33/855,054.10
  6. Step 6: Final answer
    x = 645,647.88

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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.