Home / 668,788.65-1,003,839.08-332,209.35

Finding the Fourth Proportional to 668,788.65, 1,003,839.08 and 332,209.35

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Solution

The fourth proportional to 668,788.65, 1,003,839.08 and 332,209.35 is: 498,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,788.65 : 1,003,839.08 = 332,209.35 : x
  2. Step 2: Convert to fraction form
    668,788.65/1,003,839.08 = 332,209.35/x
  3. Step 3: Cross multiply
    668,788.65x = 1,003,839.08 × 332,209.35
  4. Step 4: Simplify right side
    668,788.65x = 333,484,726,610.35
  5. Step 5: Solve for x
    x = 333,484,726,610.35/668,788.65
  6. Step 6: Final answer
    x = 498,639.93

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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.