Home / 719,167.32-1,078,965.63-213,745.14

Finding the Fourth Proportional to 719,167.32, 1,078,965.63 and 213,745.14

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Solution

The fourth proportional to 719,167.32, 1,078,965.63 and 213,745.14 is: 320,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,167.32 : 1,078,965.63 = 213,745.14 : x
  2. Step 2: Convert to fraction form
    719,167.32/1,078,965.63 = 213,745.14/x
  3. Step 3: Cross multiply
    719,167.32x = 1,078,965.63 × 213,745.14
  4. Step 4: Simplify right side
    719,167.32x = 230,623,659,639.54
  5. Step 5: Solve for x
    x = 230,623,659,639.54/719,167.32
  6. Step 6: Final answer
    x = 320,681.51

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1.5x scale

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.