Home / 859,231.21-1,185,739.52-472,071.58

Finding the Fourth Proportional to 859,231.21, 1,185,739.52 and 472,071.58

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Solution

The fourth proportional to 859,231.21, 1,185,739.52 and 472,071.58 is: 651,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,231.21 : 1,185,739.52 = 472,071.58 : x
  2. Step 2: Convert to fraction form
    859,231.21/1,185,739.52 = 472,071.58/x
  3. Step 3: Cross multiply
    859,231.21x = 1,185,739.52 × 472,071.58
  4. Step 4: Simplify right side
    859,231.21x = 559,753,923,350.14
  5. Step 5: Solve for x
    x = 559,753,923,350.14/859,231.21
  6. Step 6: Final answer
    x = 651,459.02

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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.