Home / 866,922.08-1,196,415.54-485,071.88

Finding the Fourth Proportional to 866,922.08, 1,196,415.54 and 485,071.88

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Solution

The fourth proportional to 866,922.08, 1,196,415.54 and 485,071.88 is: 669,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,922.08 : 1,196,415.54 = 485,071.88 : x
  2. Step 2: Convert to fraction form
    866,922.08/1,196,415.54 = 485,071.88/x
  3. Step 3: Cross multiply
    866,922.08x = 1,196,415.54 × 485,071.88
  4. Step 4: Simplify right side
    866,922.08x = 580,347,529,266.94
  5. Step 5: Solve for x
    x = 580,347,529,266.94/866,922.08
  6. Step 6: Final answer
    x = 669,434.48

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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.