Home / 672,706.35-1,009,037.66-273,228.93

Finding the Fourth Proportional to 672,706.35, 1,009,037.66 and 273,228.93

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Solution

The fourth proportional to 672,706.35, 1,009,037.66 and 273,228.93 is: 409,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,706.35 : 1,009,037.66 = 273,228.93 : x
  2. Step 2: Convert to fraction form
    672,706.35/1,009,037.66 = 273,228.93/x
  3. Step 3: Cross multiply
    672,706.35x = 1,009,037.66 × 273,228.93
  4. Step 4: Simplify right side
    672,706.35x = 275,698,278,805.36
  5. Step 5: Solve for x
    x = 275,698,278,805.36/672,706.35
  6. Step 6: Final answer
    x = 409,834.51

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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.