Home / 668,429.74-1,002,037.72-247,410.38

Finding the Fourth Proportional to 668,429.74, 1,002,037.72 and 247,410.38

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Solution

The fourth proportional to 668,429.74, 1,002,037.72 and 247,410.38 is: 370,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,429.74 : 1,002,037.72 = 247,410.38 : x
  2. Step 2: Convert to fraction form
    668,429.74/1,002,037.72 = 247,410.38/x
  3. Step 3: Cross multiply
    668,429.74x = 1,002,037.72 × 247,410.38
  4. Step 4: Simplify right side
    668,429.74x = 247,914,533,079.53
  5. Step 5: Solve for x
    x = 247,914,533,079.53/668,429.74
  6. Step 6: Final answer
    x = 370,890.94

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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.