Home / 785,885.49-1,179,044.91-312,903

Finding the Fourth Proportional to 785,885.49, 1,179,044.91 and 312,903

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Solution

The fourth proportional to 785,885.49, 1,179,044.91 and 312,903 is: 469,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,885.49 : 1,179,044.91 = 312,903 : x
  2. Step 2: Convert to fraction form
    785,885.49/1,179,044.91 = 312,903/x
  3. Step 3: Cross multiply
    785,885.49x = 1,179,044.91 × 312,903
  4. Step 4: Simplify right side
    785,885.49x = 368,926,689,473.73
  5. Step 5: Solve for x
    x = 368,926,689,473.73/785,885.49
  6. Step 6: Final answer
    x = 469,440.77

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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.