Home / 817,996.77-1,227,506.67-312,600.92

Finding the Fourth Proportional to 817,996.77, 1,227,506.67 and 312,600.92

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Solution

The fourth proportional to 817,996.77, 1,227,506.67 and 312,600.92 is: 469,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996.77 : 1,227,506.67 = 312,600.92 : x
  2. Step 2: Convert to fraction form
    817,996.77/1,227,506.67 = 312,600.92/x
  3. Step 3: Cross multiply
    817,996.77x = 1,227,506.67 × 312,600.92
  4. Step 4: Simplify right side
    817,996.77x = 383,719,708,210.60
  5. Step 5: Solve for x
    x = 383,719,708,210.60/817,996.77
  6. Step 6: Final answer
    x = 469,096.85

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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.