Home / 907,786.98-1,361,876.22-452,626.38

Finding the Fourth Proportional to 907,786.98, 1,361,876.22 and 452,626.38

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Solution

The fourth proportional to 907,786.98, 1,361,876.22 and 452,626.38 is: 679,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,786.98 : 1,361,876.22 = 452,626.38 : x
  2. Step 2: Convert to fraction form
    907,786.98/1,361,876.22 = 452,626.38/x
  3. Step 3: Cross multiply
    907,786.98x = 1,361,876.22 × 452,626.38
  4. Step 4: Simplify right side
    907,786.98x = 616,421,103,466.68
  5. Step 5: Solve for x
    x = 616,421,103,466.68/907,786.98
  6. Step 6: Final answer
    x = 679,037.17

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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.