Home / 854,828.66-1,179,547.98-487,353.20

Finding the Fourth Proportional to 854,828.66, 1,179,547.98 and 487,353.20

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Solution

The fourth proportional to 854,828.66, 1,179,547.98 and 487,353.20 is: 672,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,828.66 : 1,179,547.98 = 487,353.20 : x
  2. Step 2: Convert to fraction form
    854,828.66/1,179,547.98 = 487,353.20/x
  3. Step 3: Cross multiply
    854,828.66x = 1,179,547.98 × 487,353.20
  4. Step 4: Simplify right side
    854,828.66x = 574,856,476,708.80
  5. Step 5: Solve for x
    x = 574,856,476,708.80/854,828.66
  6. Step 6: Final answer
    x = 672,481.52

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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.