Home / 854,845.08-1,179,583.45-492,386.82

Finding the Fourth Proportional to 854,845.08, 1,179,583.45 and 492,386.82

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Solution

The fourth proportional to 854,845.08, 1,179,583.45 and 492,386.82 is: 679,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,845.08 : 1,179,583.45 = 492,386.82 : x
  2. Step 2: Convert to fraction form
    854,845.08/1,179,583.45 = 492,386.82/x
  3. Step 3: Cross multiply
    854,845.08x = 1,179,583.45 × 492,386.82
  4. Step 4: Simplify right side
    854,845.08x = 580,811,343,870.13
  5. Step 5: Solve for x
    x = 580,811,343,870.13/854,845.08
  6. Step 6: Final answer
    x = 679,434.62

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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.