Home / 906,511.80-1,358,601.30-432,175.80

Finding the Fourth Proportional to 906,511.80, 1,358,601.30 and 432,175.80

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Solution

The fourth proportional to 906,511.80, 1,358,601.30 and 432,175.80 is: 647,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,511.80 : 1,358,601.30 = 432,175.80 : x
  2. Step 2: Convert to fraction form
    906,511.80/1,358,601.30 = 432,175.80/x
  3. Step 3: Cross multiply
    906,511.80x = 1,358,601.30 × 432,175.80
  4. Step 4: Simplify right side
    906,511.80x = 587,154,603,708.54
  5. Step 5: Solve for x
    x = 587,154,603,708.54/906,511.80
  6. Step 6: Final answer
    x = 647,707.62

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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.