Home / 716,774.56-1,075,078.68-267,511.12

Finding the Fourth Proportional to 716,774.56, 1,075,078.68 and 267,511.12

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Solution

The fourth proportional to 716,774.56, 1,075,078.68 and 267,511.12 is: 401,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,774.56 : 1,075,078.68 = 267,511.12 : x
  2. Step 2: Convert to fraction form
    716,774.56/1,075,078.68 = 267,511.12/x
  3. Step 3: Cross multiply
    716,774.56x = 1,075,078.68 × 267,511.12
  4. Step 4: Simplify right side
    716,774.56x = 287,595,501,774.92
  5. Step 5: Solve for x
    x = 287,595,501,774.92/716,774.56
  6. Step 6: Final answer
    x = 401,235.64

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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.