Home / 802,949.25-1,108,069.98-445,253.25

Finding the Fourth Proportional to 802,949.25, 1,108,069.98 and 445,253.25

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Solution

The fourth proportional to 802,949.25, 1,108,069.98 and 445,253.25 is: 614,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,949.25 : 1,108,069.98 = 445,253.25 : x
  2. Step 2: Convert to fraction form
    802,949.25/1,108,069.98 = 445,253.25/x
  3. Step 3: Cross multiply
    802,949.25x = 1,108,069.98 × 445,253.25
  4. Step 4: Simplify right side
    802,949.25x = 493,371,759,822.44
  5. Step 5: Solve for x
    x = 493,371,759,822.44/802,949.25
  6. Step 6: Final answer
    x = 614,449.49

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1.5x scale

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.