Home / 781,504.90-1,172,222.13-325,908.52

Finding the Fourth Proportional to 781,504.90, 1,172,222.13 and 325,908.52

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Solution

The fourth proportional to 781,504.90, 1,172,222.13 and 325,908.52 is: 488,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,504.90 : 1,172,222.13 = 325,908.52 : x
  2. Step 2: Convert to fraction form
    781,504.90/1,172,222.13 = 325,908.52/x
  3. Step 3: Cross multiply
    781,504.90x = 1,172,222.13 × 325,908.52
  4. Step 4: Simplify right side
    781,504.90x = 382,037,179,499.55
  5. Step 5: Solve for x
    x = 382,037,179,499.55/781,504.90
  6. Step 6: Final answer
    x = 488,848.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.