Home / 718,191.95-1,077,246.39-263,090.30

Finding the Fourth Proportional to 718,191.95, 1,077,246.39 and 263,090.30

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Solution

The fourth proportional to 718,191.95, 1,077,246.39 and 263,090.30 is: 394,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,191.95 : 1,077,246.39 = 263,090.30 : x
  2. Step 2: Convert to fraction form
    718,191.95/1,077,246.39 = 263,090.30/x
  3. Step 3: Cross multiply
    718,191.95x = 1,077,246.39 × 263,090.30
  4. Step 4: Simplify right side
    718,191.95x = 283,413,075,919.02
  5. Step 5: Solve for x
    x = 283,413,075,919.02/718,191.95
  6. Step 6: Final answer
    x = 394,620.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.