Home / 854,795.64-1,179,682.04-487,281.54

Finding the Fourth Proportional to 854,795.64, 1,179,682.04 and 487,281.54

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Solution

The fourth proportional to 854,795.64, 1,179,682.04 and 487,281.54 is: 672,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,795.64 : 1,179,682.04 = 487,281.54 : x
  2. Step 2: Convert to fraction form
    854,795.64/1,179,682.04 = 487,281.54/x
  3. Step 3: Cross multiply
    854,795.64x = 1,179,682.04 × 487,281.54
  4. Step 4: Simplify right side
    854,795.64x = 574,837,278,725.13
  5. Step 5: Solve for x
    x = 574,837,278,725.13/854,795.64
  6. Step 6: Final answer
    x = 672,485.04

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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.