Home / 881,013.73-1,321,146.90-312,537.91

Finding the Fourth Proportional to 881,013.73, 1,321,146.90 and 312,537.91

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Solution

The fourth proportional to 881,013.73, 1,321,146.90 and 312,537.91 is: 468,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,013.73 : 1,321,146.90 = 312,537.91 : x
  2. Step 2: Convert to fraction form
    881,013.73/1,321,146.90 = 312,537.91/x
  3. Step 3: Cross multiply
    881,013.73x = 1,321,146.90 × 312,537.91
  4. Step 4: Simplify right side
    881,013.73x = 412,908,490,928.98
  5. Step 5: Solve for x
    x = 412,908,490,928.98/881,013.73
  6. Step 6: Final answer
    x = 468,674.30

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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.