Home / 809,257.62-1,116,775.61-446,681.58

Finding the Fourth Proportional to 809,257.62, 1,116,775.61 and 446,681.58

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Solution

The fourth proportional to 809,257.62, 1,116,775.61 and 446,681.58 is: 616,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,257.62 : 1,116,775.61 = 446,681.58 : x
  2. Step 2: Convert to fraction form
    809,257.62/1,116,775.61 = 446,681.58/x
  3. Step 3: Cross multiply
    809,257.62x = 1,116,775.61 × 446,681.58
  4. Step 4: Simplify right side
    809,257.62x = 498,843,093,980.26
  5. Step 5: Solve for x
    x = 498,843,093,980.26/809,257.62
  6. Step 6: Final answer
    x = 616,420.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.