Home / 802,140.39-1,106,845.41-457,954.44

Finding the Fourth Proportional to 802,140.39, 1,106,845.41 and 457,954.44

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Solution

The fourth proportional to 802,140.39, 1,106,845.41 and 457,954.44 is: 631,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,140.39 : 1,106,845.41 = 457,954.44 : x
  2. Step 2: Convert to fraction form
    802,140.39/1,106,845.41 = 457,954.44/x
  3. Step 3: Cross multiply
    802,140.39x = 1,106,845.41 × 457,954.44
  4. Step 4: Simplify right side
    802,140.39x = 506,884,769,903.12
  5. Step 5: Solve for x
    x = 506,884,769,903.12/802,140.39
  6. Step 6: Final answer
    x = 631,915.28

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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.