Home / 948,860.82-1,309,969.26-627,503.04

Finding the Fourth Proportional to 948,860.82, 1,309,969.26 and 627,503.04

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Solution

The fourth proportional to 948,860.82, 1,309,969.26 and 627,503.04 is: 866,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,860.82 : 1,309,969.26 = 627,503.04 : x
  2. Step 2: Convert to fraction form
    948,860.82/1,309,969.26 = 627,503.04/x
  3. Step 3: Cross multiply
    948,860.82x = 1,309,969.26 × 627,503.04
  4. Step 4: Simplify right side
    948,860.82x = 822,009,692,956.55
  5. Step 5: Solve for x
    x = 822,009,692,956.55/948,860.82
  6. Step 6: Final answer
    x = 866,312.19

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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.