Home / 948,866.82-1,309,977.54-627,509.04

Finding the Fourth Proportional to 948,866.82, 1,309,977.54 and 627,509.04

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Solution

The fourth proportional to 948,866.82, 1,309,977.54 and 627,509.04 is: 866,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,866.82 : 1,309,977.54 = 627,509.04 : x
  2. Step 2: Convert to fraction form
    948,866.82/1,309,977.54 = 627,509.04/x
  3. Step 3: Cross multiply
    948,866.82x = 1,309,977.54 × 627,509.04
  4. Step 4: Simplify right side
    948,866.82x = 822,022,748,546.96
  5. Step 5: Solve for x
    x = 822,022,748,546.96/948,866.82
  6. Step 6: Final answer
    x = 866,320.47

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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.