Home / 854,939.96-1,179,837.90-472,974.20

Finding the Fourth Proportional to 854,939.96, 1,179,837.90 and 472,974.20

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Solution

The fourth proportional to 854,939.96, 1,179,837.90 and 472,974.20 is: 652,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,939.96 : 1,179,837.90 = 472,974.20 : x
  2. Step 2: Convert to fraction form
    854,939.96/1,179,837.90 = 472,974.20/x
  3. Step 3: Cross multiply
    854,939.96x = 1,179,837.90 × 472,974.20
  4. Step 4: Simplify right side
    854,939.96x = 558,032,886,882.18
  5. Step 5: Solve for x
    x = 558,032,886,882.18/854,939.96
  6. Step 6: Final answer
    x = 652,715.88

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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.